Home / 10,778,700.30-16,144,430.85-9,581,973.90

Finding the Fourth Proportional to 10,778,700.30, 16,144,430.85 and 9,581,973.90

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Solution

The fourth proportional to 10,778,700.30, 16,144,430.85 and 9,581,973.90 is: 14,351,963.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,778,700.30 : 16,144,430.85 = 9,581,973.90 : x
  2. Step 2: Convert to fraction form
    10,778,700.30/16,144,430.85 = 9,581,973.90/x
  3. Step 3: Cross multiply
    10,778,700.30x = 16,144,430.85 × 9,581,973.90
  4. Step 4: Simplify right side
    10,778,700.30x = 154,695,515,035,054.81
  5. Step 5: Solve for x
    x = 154,695,515,035,054.81/10,778,700.30
  6. Step 6: Final answer
    x = 14,351,963.66

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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.