Home / 25,578,086.70-38,367,130.05-18,439,718.70

Finding the Fourth Proportional to 25,578,086.70, 38,367,130.05 and 18,439,718.70

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Solution

The fourth proportional to 25,578,086.70, 38,367,130.05 and 18,439,718.70 is: 27,659,578.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,578,086.70 : 38,367,130.05 = 18,439,718.70 : x
  2. Step 2: Convert to fraction form
    25,578,086.70/38,367,130.05 = 18,439,718.70/x
  3. Step 3: Cross multiply
    25,578,086.70x = 38,367,130.05 × 18,439,718.70
  4. Step 4: Simplify right side
    25,578,086.70x = 707,479,085,448,316.88
  5. Step 5: Solve for x
    x = 707,479,085,448,316.88/25,578,086.70
  6. Step 6: Final answer
    x = 27,659,578.05

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Similar ratio
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1.5x scale

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.