Home / 12,589,364.40-18,884,046.60-11,623,585.20

Finding the Fourth Proportional to 12,589,364.40, 18,884,046.60 and 11,623,585.20

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Solution

The fourth proportional to 12,589,364.40, 18,884,046.60 and 11,623,585.20 is: 17,435,377.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,589,364.40 : 18,884,046.60 = 11,623,585.20 : x
  2. Step 2: Convert to fraction form
    12,589,364.40/18,884,046.60 = 11,623,585.20/x
  3. Step 3: Cross multiply
    12,589,364.40x = 18,884,046.60 × 11,623,585.20
  4. Step 4: Simplify right side
    12,589,364.40x = 219,500,324,575,870.31
  5. Step 5: Solve for x
    x = 219,500,324,575,870.31/12,589,364.40
  6. Step 6: Final answer
    x = 17,435,377.80

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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.