Home / 21,575,654.72-29,775,308.76-12,408,304.88

Finding the Fourth Proportional to 21,575,654.72, 29,775,308.76 and 12,408,304.88

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Solution

The fourth proportional to 21,575,654.72, 29,775,308.76 and 12,408,304.88 is: 17,123,981.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,575,654.72 : 29,775,308.76 = 12,408,304.88 : x
  2. Step 2: Convert to fraction form
    21,575,654.72/29,775,308.76 = 12,408,304.88/x
  3. Step 3: Cross multiply
    21,575,654.72x = 29,775,308.76 × 12,408,304.88
  4. Step 4: Simplify right side
    21,575,654.72x = 369,461,108,990,214.81
  5. Step 5: Solve for x
    x = 369,461,108,990,214.81/21,575,654.72
  6. Step 6: Final answer
    x = 17,123,981.35

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.