Home / 12,348,809.30-18,526,156.85-4,261,854.69

Finding the Fourth Proportional to 12,348,809.30, 18,526,156.85 and 4,261,854.69

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Solution

The fourth proportional to 12,348,809.30, 18,526,156.85 and 4,261,854.69 is: 6,393,797.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,348,809.30 : 18,526,156.85 = 4,261,854.69 : x
  2. Step 2: Convert to fraction form
    12,348,809.30/18,526,156.85 = 4,261,854.69/x
  3. Step 3: Cross multiply
    12,348,809.30x = 18,526,156.85 × 4,261,854.69
  4. Step 4: Simplify right side
    12,348,809.30x = 78,955,788,469,502.77
  5. Step 5: Solve for x
    x = 78,955,788,469,502.77/12,348,809.30
  6. Step 6: Final answer
    x = 6,393,797.70

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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.