Home / 15,443,760.60-23,165,640.90-3,929,205.60

Finding the Fourth Proportional to 15,443,760.60, 23,165,640.90 and 3,929,205.60

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Solution

The fourth proportional to 15,443,760.60, 23,165,640.90 and 3,929,205.60 is: 5,893,808.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,443,760.60 : 23,165,640.90 = 3,929,205.60 : x
  2. Step 2: Convert to fraction form
    15,443,760.60/23,165,640.90 = 3,929,205.60/x
  3. Step 3: Cross multiply
    15,443,760.60x = 23,165,640.90 × 3,929,205.60
  4. Step 4: Simplify right side
    15,443,760.60x = 91,022,565,951,869.03
  5. Step 5: Solve for x
    x = 91,022,565,951,869.03/15,443,760.60
  6. Step 6: Final answer
    x = 5,893,808.40

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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.