Home / 10,991,999.20-16,487,998.80-5,953,151.20

Finding the Fourth Proportional to 10,991,999.20, 16,487,998.80 and 5,953,151.20

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Solution

The fourth proportional to 10,991,999.20, 16,487,998.80 and 5,953,151.20 is: 8,929,726.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,991,999.20 : 16,487,998.80 = 5,953,151.20 : x
  2. Step 2: Convert to fraction form
    10,991,999.20/16,487,998.80 = 5,953,151.20/x
  3. Step 3: Cross multiply
    10,991,999.20x = 16,487,998.80 × 5,953,151.20
  4. Step 4: Simplify right side
    10,991,999.20x = 98,155,549,841,818.56
  5. Step 5: Solve for x
    x = 98,155,549,841,818.56/10,991,999.20
  6. Step 6: Final answer
    x = 8,929,726.80

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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.