Home / 18,443,743.90-27,665,615.85-13,058,475.10

Finding the Fourth Proportional to 18,443,743.90, 27,665,615.85 and 13,058,475.10

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Solution

The fourth proportional to 18,443,743.90, 27,665,615.85 and 13,058,475.10 is: 19,587,712.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,443,743.90 : 27,665,615.85 = 13,058,475.10 : x
  2. Step 2: Convert to fraction form
    18,443,743.90/27,665,615.85 = 13,058,475.10/x
  3. Step 3: Cross multiply
    18,443,743.90x = 27,665,615.85 × 13,058,475.10
  4. Step 4: Simplify right side
    18,443,743.90x = 361,270,755,703,390.38
  5. Step 5: Solve for x
    x = 361,270,755,703,390.38/18,443,743.90
  6. Step 6: Final answer
    x = 19,587,712.65

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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.