Home / 8,136,031.60-12,204,047.40-4,947,410.80

Finding the Fourth Proportional to 8,136,031.60, 12,204,047.40 and 4,947,410.80

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Solution

The fourth proportional to 8,136,031.60, 12,204,047.40 and 4,947,410.80 is: 7,421,116.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,136,031.60 : 12,204,047.40 = 4,947,410.80 : x
  2. Step 2: Convert to fraction form
    8,136,031.60/12,204,047.40 = 4,947,410.80/x
  3. Step 3: Cross multiply
    8,136,031.60x = 12,204,047.40 × 4,947,410.80
  4. Step 4: Simplify right side
    8,136,031.60x = 60,378,435,910,471.92
  5. Step 5: Solve for x
    x = 60,378,435,910,471.92/8,136,031.60
  6. Step 6: Final answer
    x = 7,421,116.20

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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.