Home / 19,508,327.12-29,257,784.76-8,142,614.48

Finding the Fourth Proportional to 19,508,327.12, 29,257,784.76 and 8,142,614.48

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Solution

The fourth proportional to 19,508,327.12, 29,257,784.76 and 8,142,614.48 is: 12,211,957.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,508,327.12 : 29,257,784.76 = 8,142,614.48 : x
  2. Step 2: Convert to fraction form
    19,508,327.12/29,257,784.76 = 8,142,614.48/x
  3. Step 3: Cross multiply
    19,508,327.12x = 29,257,784.76 × 8,142,614.48
  4. Step 4: Simplify right side
    19,508,327.12x = 238,234,861,839,499.34
  5. Step 5: Solve for x
    x = 238,234,861,839,499.34/19,508,327.12
  6. Step 6: Final answer
    x = 12,211,957.51

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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.