Home / 18,218,757.59-25,141,886.67-9,958,852.61

Finding the Fourth Proportional to 18,218,757.59, 25,141,886.67 and 9,958,852.61

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Solution

The fourth proportional to 18,218,757.59, 25,141,886.67 and 9,958,852.61 is: 13,743,217.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,218,757.59 : 25,141,886.67 = 9,958,852.61 : x
  2. Step 2: Convert to fraction form
    18,218,757.59/25,141,886.67 = 9,958,852.61/x
  3. Step 3: Cross multiply
    18,218,757.59x = 25,141,886.67 × 9,958,852.61
  4. Step 4: Simplify right side
    18,218,757.59x = 250,384,343,683,853.72
  5. Step 5: Solve for x
    x = 250,384,343,683,853.72/18,218,757.59
  6. Step 6: Final answer
    x = 13,743,217.26

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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.