Home / 18,195,279.30-25,109,607-9,935,398.98

Finding the Fourth Proportional to 18,195,279.30, 25,109,607 and 9,935,398.98

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Solution

The fourth proportional to 18,195,279.30, 25,109,607 and 9,935,398.98 is: 13,710,916.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,195,279.30 : 25,109,607 = 9,935,398.98 : x
  2. Step 2: Convert to fraction form
    18,195,279.30/25,109,607 = 9,935,398.98/x
  3. Step 3: Cross multiply
    18,195,279.30x = 25,109,607 × 9,935,398.98
  4. Step 4: Simplify right side
    18,195,279.30x = 249,473,963,776,000.88
  5. Step 5: Solve for x
    x = 249,473,963,776,000.88/18,195,279.30
  6. Step 6: Final answer
    x = 13,710,916.97

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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.