Home / 34,136,078.76-47,103,919.74-20,197,861.20

Finding the Fourth Proportional to 34,136,078.76, 47,103,919.74 and 20,197,861.20

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Solution

The fourth proportional to 34,136,078.76, 47,103,919.74 and 20,197,861.20 is: 27,870,759.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,136,078.76 : 47,103,919.74 = 20,197,861.20 : x
  2. Step 2: Convert to fraction form
    34,136,078.76/47,103,919.74 = 20,197,861.20/x
  3. Step 3: Cross multiply
    34,136,078.76x = 47,103,919.74 × 20,197,861.20
  4. Step 4: Simplify right side
    34,136,078.76x = 951,398,432,884,460.12
  5. Step 5: Solve for x
    x = 951,398,432,884,460.12/34,136,078.76
  6. Step 6: Final answer
    x = 27,870,759.25

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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.