Home / 10,669,583.40-15,957,135.90-8,968,972.20

Finding the Fourth Proportional to 10,669,583.40, 15,957,135.90 and 8,968,972.20

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Solution

The fourth proportional to 10,669,583.40, 15,957,135.90 and 8,968,972.20 is: 13,413,748.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,669,583.40 : 15,957,135.90 = 8,968,972.20 : x
  2. Step 2: Convert to fraction form
    10,669,583.40/15,957,135.90 = 8,968,972.20/x
  3. Step 3: Cross multiply
    10,669,583.40x = 15,957,135.90 × 8,968,972.20
  4. Step 4: Simplify right side
    10,669,583.40x = 143,119,108,278,721.97
  5. Step 5: Solve for x
    x = 143,119,108,278,721.97/10,669,583.40
  6. Step 6: Final answer
    x = 13,413,748.50

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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.