Home / 21,351,058.16-29,464,601.20-11,561,502.02

Finding the Fourth Proportional to 21,351,058.16, 29,464,601.20 and 11,561,502.02

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Solution

The fourth proportional to 21,351,058.16, 29,464,601.20 and 11,561,502.02 is: 15,954,949.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,351,058.16 : 29,464,601.20 = 11,561,502.02 : x
  2. Step 2: Convert to fraction form
    21,351,058.16/29,464,601.20 = 11,561,502.02/x
  3. Step 3: Cross multiply
    21,351,058.16x = 29,464,601.20 × 11,561,502.02
  4. Step 4: Simplify right side
    21,351,058.16x = 340,655,046,292,294.38
  5. Step 5: Solve for x
    x = 340,655,046,292,294.38/21,351,058.16
  6. Step 6: Final answer
    x = 15,954,949.11

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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.