Home / 8,612,747.60-12,919,121.40-6,061,830.80

Finding the Fourth Proportional to 8,612,747.60, 12,919,121.40 and 6,061,830.80

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Solution

The fourth proportional to 8,612,747.60, 12,919,121.40 and 6,061,830.80 is: 9,092,746.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,612,747.60 : 12,919,121.40 = 6,061,830.80 : x
  2. Step 2: Convert to fraction form
    8,612,747.60/12,919,121.40 = 6,061,830.80/x
  3. Step 3: Cross multiply
    8,612,747.60x = 12,919,121.40 × 6,061,830.80
  4. Step 4: Simplify right side
    8,612,747.60x = 78,313,528,011,459.12
  5. Step 5: Solve for x
    x = 78,313,528,011,459.12/8,612,747.60
  6. Step 6: Final answer
    x = 9,092,746.20

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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.