Home / 31,503,680.20-47,255,520.30-13,587,776.20

Finding the Fourth Proportional to 31,503,680.20, 47,255,520.30 and 13,587,776.20

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Solution

The fourth proportional to 31,503,680.20, 47,255,520.30 and 13,587,776.20 is: 20,381,664.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,503,680.20 : 47,255,520.30 = 13,587,776.20 : x
  2. Step 2: Convert to fraction form
    31,503,680.20/47,255,520.30 = 13,587,776.20/x
  3. Step 3: Cross multiply
    31,503,680.20x = 47,255,520.30 × 13,587,776.20
  4. Step 4: Simplify right side
    31,503,680.20x = 642,097,434,050,956.75
  5. Step 5: Solve for x
    x = 642,097,434,050,956.75/31,503,680.20
  6. Step 6: Final answer
    x = 20,381,664.30

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1.5x scale

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.