Home / 10,867,287.40-16,300,931.10-8,156,938.30

Finding the Fourth Proportional to 10,867,287.40, 16,300,931.10 and 8,156,938.30

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Solution

The fourth proportional to 10,867,287.40, 16,300,931.10 and 8,156,938.30 is: 12,235,407.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,867,287.40 : 16,300,931.10 = 8,156,938.30 : x
  2. Step 2: Convert to fraction form
    10,867,287.40/16,300,931.10 = 8,156,938.30/x
  3. Step 3: Cross multiply
    10,867,287.40x = 16,300,931.10 × 8,156,938.30
  4. Step 4: Simplify right side
    10,867,287.40x = 132,965,689,215,251.12
  5. Step 5: Solve for x
    x = 132,965,689,215,251.12/10,867,287.40
  6. Step 6: Final answer
    x = 12,235,407.45

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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.