Home / 21,058,780.68-29,058,445.92-12,353,777.10

Finding the Fourth Proportional to 21,058,780.68, 29,058,445.92 and 12,353,777.10

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Solution

The fourth proportional to 21,058,780.68, 29,058,445.92 and 12,353,777.10 is: 17,046,645.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,058,780.68 : 29,058,445.92 = 12,353,777.10 : x
  2. Step 2: Convert to fraction form
    21,058,780.68/29,058,445.92 = 12,353,777.10/x
  3. Step 3: Cross multiply
    21,058,780.68x = 29,058,445.92 × 12,353,777.10
  4. Step 4: Simplify right side
    21,058,780.68x = 358,981,563,768,084.44
  5. Step 5: Solve for x
    x = 358,981,563,768,084.44/21,058,780.68
  6. Step 6: Final answer
    x = 17,046,645.26

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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.