Home / 20,903,233.60-31,342,646.94-8,108,787.88

Finding the Fourth Proportional to 20,903,233.60, 31,342,646.94 and 8,108,787.88

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Solution

The fourth proportional to 20,903,233.60, 31,342,646.94 and 8,108,787.88 is: 12,158,447.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,903,233.60 : 31,342,646.94 = 8,108,787.88 : x
  2. Step 2: Convert to fraction form
    20,903,233.60/31,342,646.94 = 8,108,787.88/x
  3. Step 3: Cross multiply
    20,903,233.60x = 31,342,646.94 × 8,108,787.88
  4. Step 4: Simplify right side
    20,903,233.60x = 254,150,875,634,191.09
  5. Step 5: Solve for x
    x = 254,150,875,634,191.09/20,903,233.60
  6. Step 6: Final answer
    x = 12,158,447.85

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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.