Home / 12,538,497.86-17,305,018.38-7,646,557.71

Finding the Fourth Proportional to 12,538,497.86, 17,305,018.38 and 7,646,557.71

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Solution

The fourth proportional to 12,538,497.86, 17,305,018.38 and 7,646,557.71 is: 10,553,403.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,538,497.86 : 17,305,018.38 = 7,646,557.71 : x
  2. Step 2: Convert to fraction form
    12,538,497.86/17,305,018.38 = 7,646,557.71/x
  3. Step 3: Cross multiply
    12,538,497.86x = 17,305,018.38 × 7,646,557.71
  4. Step 4: Simplify right side
    12,538,497.86x = 132,323,821,715,280.70
  5. Step 5: Solve for x
    x = 132,323,821,715,280.70/12,538,497.86
  6. Step 6: Final answer
    x = 10,553,403.06

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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.