Home / 20,042,813.80-30,064,220.70-14,940,980.20

Finding the Fourth Proportional to 20,042,813.80, 30,064,220.70 and 14,940,980.20

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Solution

The fourth proportional to 20,042,813.80, 30,064,220.70 and 14,940,980.20 is: 22,411,470.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,042,813.80 : 30,064,220.70 = 14,940,980.20 : x
  2. Step 2: Convert to fraction form
    20,042,813.80/30,064,220.70 = 14,940,980.20/x
  3. Step 3: Cross multiply
    20,042,813.80x = 30,064,220.70 × 14,940,980.20
  4. Step 4: Simplify right side
    20,042,813.80x = 449,188,926,207,130.12
  5. Step 5: Solve for x
    x = 449,188,926,207,130.12/20,042,813.80
  6. Step 6: Final answer
    x = 22,411,470.30

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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.