Home / 18,218,336.50-25,141,302.57-9,958,431.97

Finding the Fourth Proportional to 18,218,336.50, 25,141,302.57 and 9,958,431.97

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Solution

The fourth proportional to 18,218,336.50, 25,141,302.57 and 9,958,431.97 is: 13,742,635.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,218,336.50 : 25,141,302.57 = 9,958,431.97 : x
  2. Step 2: Convert to fraction form
    18,218,336.50/25,141,302.57 = 9,958,431.97/x
  3. Step 3: Cross multiply
    18,218,336.50x = 25,141,302.57 × 9,958,431.97
  4. Step 4: Simplify right side
    18,218,336.50x = 250,367,951,105,032.50
  5. Step 5: Solve for x
    x = 250,367,951,105,032.50/18,218,336.50
  6. Step 6: Final answer
    x = 13,742,635.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.