Home / 10,867,220.40-16,300,830.60-8,156,871.30

Finding the Fourth Proportional to 10,867,220.40, 16,300,830.60 and 8,156,871.30

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Solution

The fourth proportional to 10,867,220.40, 16,300,830.60 and 8,156,871.30 is: 12,235,306.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,867,220.40 : 16,300,830.60 = 8,156,871.30 : x
  2. Step 2: Convert to fraction form
    10,867,220.40/16,300,830.60 = 8,156,871.30/x
  3. Step 3: Cross multiply
    10,867,220.40x = 16,300,830.60 × 8,156,871.30
  4. Step 4: Simplify right side
    10,867,220.40x = 132,963,777,287,301.78
  5. Step 5: Solve for x
    x = 132,963,777,287,301.78/10,867,220.40
  6. Step 6: Final answer
    x = 12,235,306.95

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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.