Home / 31,580,999.10-47,371,498.65-19,411,000.20

Finding the Fourth Proportional to 31,580,999.10, 47,371,498.65 and 19,411,000.20

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Solution

The fourth proportional to 31,580,999.10, 47,371,498.65 and 19,411,000.20 is: 29,116,500.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,580,999.10 : 47,371,498.65 = 19,411,000.20 : x
  2. Step 2: Convert to fraction form
    31,580,999.10/47,371,498.65 = 19,411,000.20/x
  3. Step 3: Cross multiply
    31,580,999.10x = 47,371,498.65 × 19,411,000.20
  4. Step 4: Simplify right side
    31,580,999.10x = 919,528,169,769,449.62
  5. Step 5: Solve for x
    x = 919,528,169,769,449.62/31,580,999.10
  6. Step 6: Final answer
    x = 29,116,500.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.