Home / 19,946,731.60-29,921,652.60-8,587,550.80

Finding the Fourth Proportional to 19,946,731.60, 29,921,652.60 and 8,587,550.80

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Solution

The fourth proportional to 19,946,731.60, 29,921,652.60 and 8,587,550.80 is: 12,881,995.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,946,731.60 : 29,921,652.60 = 8,587,550.80 : x
  2. Step 2: Convert to fraction form
    19,946,731.60/29,921,652.60 = 8,587,550.80/x
  3. Step 3: Cross multiply
    19,946,731.60x = 29,921,652.60 × 8,587,550.80
  4. Step 4: Simplify right side
    19,946,731.60x = 256,953,711,722,452.12
  5. Step 5: Solve for x
    x = 256,953,711,722,452.12/19,946,731.60
  6. Step 6: Final answer
    x = 12,881,995.75

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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.