Home / 27,515,665.64-37,972,468.51-15,126,705.72

Finding the Fourth Proportional to 27,515,665.64, 37,972,468.51 and 15,126,705.72

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Solution

The fourth proportional to 27,515,665.64, 37,972,468.51 and 15,126,705.72 is: 20,875,321.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,515,665.64 : 37,972,468.51 = 15,126,705.72 : x
  2. Step 2: Convert to fraction form
    27,515,665.64/37,972,468.51 = 15,126,705.72/x
  3. Step 3: Cross multiply
    27,515,665.64x = 37,972,468.51 × 15,126,705.72
  4. Step 4: Simplify right side
    27,515,665.64x = 574,398,356,574,920.12
  5. Step 5: Solve for x
    x = 574,398,356,574,920.12/27,515,665.64
  6. Step 6: Final answer
    x = 20,875,321.14

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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.