Home / 10,671,220.60-16,006,830.90-9,789,422.20

Finding the Fourth Proportional to 10,671,220.60, 16,006,830.90 and 9,789,422.20

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Solution

The fourth proportional to 10,671,220.60, 16,006,830.90 and 9,789,422.20 is: 14,684,133.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,671,220.60 : 16,006,830.90 = 9,789,422.20 : x
  2. Step 2: Convert to fraction form
    10,671,220.60/16,006,830.90 = 9,789,422.20/x
  3. Step 3: Cross multiply
    10,671,220.60x = 16,006,830.90 × 9,789,422.20
  4. Step 4: Simplify right side
    10,671,220.60x = 156,697,625,764,105.97
  5. Step 5: Solve for x
    x = 156,697,625,764,105.97/10,671,220.60
  6. Step 6: Final answer
    x = 14,684,133.30

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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.