Home / 15,261,572.10-22,892,358.15-13,206,666.90

Finding the Fourth Proportional to 15,261,572.10, 22,892,358.15 and 13,206,666.90

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Solution

The fourth proportional to 15,261,572.10, 22,892,358.15 and 13,206,666.90 is: 19,810,000.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,261,572.10 : 22,892,358.15 = 13,206,666.90 : x
  2. Step 2: Convert to fraction form
    15,261,572.10/22,892,358.15 = 13,206,666.90/x
  3. Step 3: Cross multiply
    15,261,572.10x = 22,892,358.15 × 13,206,666.90
  4. Step 4: Simplify right side
    15,261,572.10x = 302,331,748,642,550.25
  5. Step 5: Solve for x
    x = 302,331,748,642,550.25/15,261,572.10
  6. Step 6: Final answer
    x = 19,810,000.35

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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.