Home / 31,645,105.20-47,341,686.60-27,432,068.40

Finding the Fourth Proportional to 31,645,105.20, 47,341,686.60 and 27,432,068.40

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Solution

The fourth proportional to 31,645,105.20, 47,341,686.60 and 27,432,068.40 is: 41,038,902.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,645,105.20 : 47,341,686.60 = 27,432,068.40 : x
  2. Step 2: Convert to fraction form
    31,645,105.20/47,341,686.60 = 27,432,068.40/x
  3. Step 3: Cross multiply
    31,645,105.20x = 47,341,686.60 × 27,432,068.40
  4. Step 4: Simplify right side
    31,645,105.20x = 1,298,680,384,982,563.50
  5. Step 5: Solve for x
    x = 1,298,680,384,982,563.50/31,645,105.20
  6. Step 6: Final answer
    x = 41,038,902.44

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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.