Home / 8,240,146.40-12,351,471.60-3,977,537.60

Finding the Fourth Proportional to 8,240,146.40, 12,351,471.60 and 3,977,537.60

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Solution

The fourth proportional to 8,240,146.40, 12,351,471.60 and 3,977,537.60 is: 5,962,083.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,240,146.40 : 12,351,471.60 = 3,977,537.60 : x
  2. Step 2: Convert to fraction form
    8,240,146.40/12,351,471.60 = 3,977,537.60/x
  3. Step 3: Cross multiply
    8,240,146.40x = 12,351,471.60 × 3,977,537.60
  4. Step 4: Simplify right side
    8,240,146.40x = 49,128,442,704,332.16
  5. Step 5: Solve for x
    x = 49,128,442,704,332.16/8,240,146.40
  6. Step 6: Final answer
    x = 5,962,083.72

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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.