Home / 47,059,432.92-70,528,120.74-21,132,590.04

Finding the Fourth Proportional to 47,059,432.92, 70,528,120.74 and 21,132,590.04

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Solution

The fourth proportional to 47,059,432.92, 70,528,120.74 and 21,132,590.04 is: 31,671,479.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,059,432.92 : 70,528,120.74 = 21,132,590.04 : x
  2. Step 2: Convert to fraction form
    47,059,432.92/70,528,120.74 = 21,132,590.04/x
  3. Step 3: Cross multiply
    47,059,432.92x = 70,528,120.74 × 21,132,590.04
  4. Step 4: Simplify right side
    47,059,432.92x = 1,490,441,861,890,041.25
  5. Step 5: Solve for x
    x = 1,490,441,861,890,041.25/47,059,432.92
  6. Step 6: Final answer
    x = 31,671,479.43

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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.