Home / 10,752,809.40-16,129,214.10-10,387,855.80

Finding the Fourth Proportional to 10,752,809.40, 16,129,214.10 and 10,387,855.80

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Solution

The fourth proportional to 10,752,809.40, 16,129,214.10 and 10,387,855.80 is: 15,581,783.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,752,809.40 : 16,129,214.10 = 10,387,855.80 : x
  2. Step 2: Convert to fraction form
    10,752,809.40/16,129,214.10 = 10,387,855.80/x
  3. Step 3: Cross multiply
    10,752,809.40x = 16,129,214.10 × 10,387,855.80
  4. Step 4: Simplify right side
    10,752,809.40x = 167,547,950,238,126.78
  5. Step 5: Solve for x
    x = 167,547,950,238,126.78/10,752,809.40
  6. Step 6: Final answer
    x = 15,581,783.70

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Similar ratio
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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.