Home / 19,985,724.04-29,974,100.22-9,192,657.64

Finding the Fourth Proportional to 19,985,724.04, 29,974,100.22 and 9,192,657.64

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Solution

The fourth proportional to 19,985,724.04, 29,974,100.22 and 9,192,657.64 is: 13,786,923.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,985,724.04 : 29,974,100.22 = 9,192,657.64 : x
  2. Step 2: Convert to fraction form
    19,985,724.04/29,974,100.22 = 9,192,657.64/x
  3. Step 3: Cross multiply
    19,985,724.04x = 29,974,100.22 × 9,192,657.64
  4. Step 4: Simplify right side
    19,985,724.04x = 275,541,641,389,508.69
  5. Step 5: Solve for x
    x = 275,541,641,389,508.69/19,985,724.04
  6. Step 6: Final answer
    x = 13,786,923.15

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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.