Home / 15,717,618.30-21,690,280.24-8,842,100.37

Finding the Fourth Proportional to 15,717,618.30, 21,690,280.24 and 8,842,100.37

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Solution

The fourth proportional to 15,717,618.30, 21,690,280.24 and 8,842,100.37 is: 12,202,079.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,717,618.30 : 21,690,280.24 = 8,842,100.37 : x
  2. Step 2: Convert to fraction form
    15,717,618.30/21,690,280.24 = 8,842,100.37/x
  3. Step 3: Cross multiply
    15,717,618.30x = 21,690,280.24 × 8,842,100.37
  4. Step 4: Simplify right side
    15,717,618.30x = 191,787,634,832,063.91
  5. Step 5: Solve for x
    x = 191,787,634,832,063.91/15,717,618.30
  6. Step 6: Final answer
    x = 12,202,079.93

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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.