Home / 8,148,938.40-12,223,407.60-2,469,445.20

Finding the Fourth Proportional to 8,148,938.40, 12,223,407.60 and 2,469,445.20

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Solution

The fourth proportional to 8,148,938.40, 12,223,407.60 and 2,469,445.20 is: 3,704,167.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,148,938.40 : 12,223,407.60 = 2,469,445.20 : x
  2. Step 2: Convert to fraction form
    8,148,938.40/12,223,407.60 = 2,469,445.20/x
  3. Step 3: Cross multiply
    8,148,938.40x = 12,223,407.60 × 2,469,445.20
  4. Step 4: Simplify right side
    8,148,938.40x = 30,185,035,225,463.52
  5. Step 5: Solve for x
    x = 30,185,035,225,463.52/8,148,938.40
  6. Step 6: Final answer
    x = 3,704,167.80

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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.