Home / 10,866,494.40-16,299,741.60-8,156,145.30

Finding the Fourth Proportional to 10,866,494.40, 16,299,741.60 and 8,156,145.30

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Solution

The fourth proportional to 10,866,494.40, 16,299,741.60 and 8,156,145.30 is: 12,234,217.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,866,494.40 : 16,299,741.60 = 8,156,145.30 : x
  2. Step 2: Convert to fraction form
    10,866,494.40/16,299,741.60 = 8,156,145.30/x
  3. Step 3: Cross multiply
    10,866,494.40x = 16,299,741.60 × 8,156,145.30
  4. Step 4: Simplify right side
    10,866,494.40x = 132,943,060,842,054.47
  5. Step 5: Solve for x
    x = 132,943,060,842,054.47/10,866,494.40
  6. Step 6: Final answer
    x = 12,234,217.95

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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.