Home / 8,712,000.30-13,068,000.45-7,798,709.10

Finding the Fourth Proportional to 8,712,000.30, 13,068,000.45 and 7,798,709.10

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Solution

The fourth proportional to 8,712,000.30, 13,068,000.45 and 7,798,709.10 is: 11,698,063.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,712,000.30 : 13,068,000.45 = 7,798,709.10 : x
  2. Step 2: Convert to fraction form
    8,712,000.30/13,068,000.45 = 7,798,709.10/x
  3. Step 3: Cross multiply
    8,712,000.30x = 13,068,000.45 × 7,798,709.10
  4. Step 4: Simplify right side
    8,712,000.30x = 101,913,534,028,219.08
  5. Step 5: Solve for x
    x = 101,913,534,028,219.08/8,712,000.30
  6. Step 6: Final answer
    x = 11,698,063.65

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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.