Home / 22,721,958.41-31,356,417.67-12,408,681.20

Finding the Fourth Proportional to 22,721,958.41, 31,356,417.67 and 12,408,681.20

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Solution

The fourth proportional to 22,721,958.41, 31,356,417.67 and 12,408,681.20 is: 17,124,042.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,721,958.41 : 31,356,417.67 = 12,408,681.20 : x
  2. Step 2: Convert to fraction form
    22,721,958.41/31,356,417.67 = 12,408,681.20/x
  3. Step 3: Cross multiply
    22,721,958.41x = 31,356,417.67 × 12,408,681.20
  4. Step 4: Simplify right side
    22,721,958.41x = 389,091,790,253,273
  5. Step 5: Solve for x
    x = 389,091,790,253,273/22,721,958.41
  6. Step 6: Final answer
    x = 17,124,042.89

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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.