Home / 15,485,269.10-21,369,182.13-8,515,925.15

Finding the Fourth Proportional to 15,485,269.10, 21,369,182.13 and 8,515,925.15

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Solution

The fourth proportional to 15,485,269.10, 21,369,182.13 and 8,515,925.15 is: 11,751,707.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,485,269.10 : 21,369,182.13 = 8,515,925.15 : x
  2. Step 2: Convert to fraction form
    15,485,269.10/21,369,182.13 = 8,515,925.15/x
  3. Step 3: Cross multiply
    15,485,269.10x = 21,369,182.13 × 8,515,925.15
  4. Step 4: Simplify right side
    15,485,269.10x = 181,978,355,428,951.62
  5. Step 5: Solve for x
    x = 181,978,355,428,951.62/15,485,269.10
  6. Step 6: Final answer
    x = 11,751,707.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.