Home / 31,503,858.20-47,255,787.30-13,587,954.20

Finding the Fourth Proportional to 31,503,858.20, 47,255,787.30 and 13,587,954.20

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Solution

The fourth proportional to 31,503,858.20, 47,255,787.30 and 13,587,954.20 is: 20,381,931.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,503,858.20 : 47,255,787.30 = 13,587,954.20 : x
  2. Step 2: Convert to fraction form
    31,503,858.20/47,255,787.30 = 13,587,954.20/x
  3. Step 3: Cross multiply
    31,503,858.20x = 47,255,787.30 × 13,587,954.20
  4. Step 4: Simplify right side
    31,503,858.20x = 642,109,473,517,341.62
  5. Step 5: Solve for x
    x = 642,109,473,517,341.62/31,503,858.20
  6. Step 6: Final answer
    x = 20,381,931.30

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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.