Home / 15,287,819.60-22,931,729.40-8,555,358.80

Finding the Fourth Proportional to 15,287,819.60, 22,931,729.40 and 8,555,358.80

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Solution

The fourth proportional to 15,287,819.60, 22,931,729.40 and 8,555,358.80 is: 12,833,038.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,287,819.60 : 22,931,729.40 = 8,555,358.80 : x
  2. Step 2: Convert to fraction form
    15,287,819.60/22,931,729.40 = 8,555,358.80/x
  3. Step 3: Cross multiply
    15,287,819.60x = 22,931,729.40 × 8,555,358.80
  4. Step 4: Simplify right side
    15,287,819.60x = 196,189,172,921,508.72
  5. Step 5: Solve for x
    x = 196,189,172,921,508.72/15,287,819.60
  6. Step 6: Final answer
    x = 12,833,038.20

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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.