Home / 21,647,168.88-29,873,312.60-13,060,806

Finding the Fourth Proportional to 21,647,168.88, 29,873,312.60 and 13,060,806

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Solution

The fourth proportional to 21,647,168.88, 29,873,312.60 and 13,060,806 is: 18,024,044.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,647,168.88 : 29,873,312.60 = 13,060,806 : x
  2. Step 2: Convert to fraction form
    21,647,168.88/29,873,312.60 = 13,060,806/x
  3. Step 3: Cross multiply
    21,647,168.88x = 29,873,312.60 × 13,060,806
  4. Step 4: Simplify right side
    21,647,168.88x = 390,169,540,445,955.62
  5. Step 5: Solve for x
    x = 390,169,540,445,955.62/21,647,168.88
  6. Step 6: Final answer
    x = 18,024,044.74

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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.