Home / 12,115,938.57-18,171,463.28-4,436,962.10

Finding the Fourth Proportional to 12,115,938.57, 18,171,463.28 and 4,436,962.10

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Solution

The fourth proportional to 12,115,938.57, 18,171,463.28 and 4,436,962.10 is: 6,654,547.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,115,938.57 : 18,171,463.28 = 4,436,962.10 : x
  2. Step 2: Convert to fraction form
    12,115,938.57/18,171,463.28 = 4,436,962.10/x
  3. Step 3: Cross multiply
    12,115,938.57x = 18,171,463.28 × 4,436,962.10
  4. Step 4: Simplify right side
    12,115,938.57x = 80,626,093,761,859.55
  5. Step 5: Solve for x
    x = 80,626,093,761,859.55/12,115,938.57
  6. Step 6: Final answer
    x = 6,654,547.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.