Home / 10,778,451.20-16,144,057.20-9,361,275.20

Finding the Fourth Proportional to 10,778,451.20, 16,144,057.20 and 9,361,275.20

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Solution

The fourth proportional to 10,778,451.20, 16,144,057.20 and 9,361,275.20 is: 14,021,398.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,778,451.20 : 16,144,057.20 = 9,361,275.20 : x
  2. Step 2: Convert to fraction form
    10,778,451.20/16,144,057.20 = 9,361,275.20/x
  3. Step 3: Cross multiply
    10,778,451.20x = 16,144,057.20 × 9,361,275.20
  4. Step 4: Simplify right side
    10,778,451.20x = 151,128,962,293,741.41
  5. Step 5: Solve for x
    x = 151,128,962,293,741.41/10,778,451.20
  6. Step 6: Final answer
    x = 14,021,398.76

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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.