Home / 37,857,830-52,243,805.64-21,561,822.32

Finding the Fourth Proportional to 37,857,830, 52,243,805.64 and 21,561,822.32

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Solution

The fourth proportional to 37,857,830, 52,243,805.64 and 21,561,822.32 is: 29,755,314.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,857,830 : 52,243,805.64 = 21,561,822.32 : x
  2. Step 2: Convert to fraction form
    37,857,830/52,243,805.64 = 21,561,822.32/x
  3. Step 3: Cross multiply
    37,857,830x = 52,243,805.64 × 21,561,822.32
  4. Step 4: Simplify right side
    37,857,830x = 1,126,471,654,530,294
  5. Step 5: Solve for x
    x = 1,126,471,654,530,294/37,857,830
  6. Step 6: Final answer
    x = 29,755,314.94

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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.