Home / 10,684,617.80-15,949,560.50-9,391,776.84

Finding the Fourth Proportional to 10,684,617.80, 15,949,560.50 and 9,391,776.84

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Solution

The fourth proportional to 10,684,617.80, 15,949,560.50 and 9,391,776.84 is: 14,019,660.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,684,617.80 : 15,949,560.50 = 9,391,776.84 : x
  2. Step 2: Convert to fraction form
    10,684,617.80/15,949,560.50 = 9,391,776.84/x
  3. Step 3: Cross multiply
    10,684,617.80x = 15,949,560.50 × 9,391,776.84
  4. Step 4: Simplify right side
    10,684,617.80x = 149,794,712,912,078.81
  5. Step 5: Solve for x
    x = 149,794,712,912,078.81/10,684,617.80
  6. Step 6: Final answer
    x = 14,019,660.39

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.