Home / 8,315,287.24-12,472,961.50-2,557,980.98

Finding the Fourth Proportional to 8,315,287.24, 12,472,961.50 and 2,557,980.98

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Solution

The fourth proportional to 8,315,287.24, 12,472,961.50 and 2,557,980.98 is: 3,836,980.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,315,287.24 : 12,472,961.50 = 2,557,980.98 : x
  2. Step 2: Convert to fraction form
    8,315,287.24/12,472,961.50 = 2,557,980.98/x
  3. Step 3: Cross multiply
    8,315,287.24x = 12,472,961.50 × 2,557,980.98
  4. Step 4: Simplify right side
    8,315,287.24x = 31,905,598,281,272.27
  5. Step 5: Solve for x
    x = 31,905,598,281,272.27/8,315,287.24
  6. Step 6: Final answer
    x = 3,836,980.90

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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.