Home / 25,856,585.80-38,784,878.70-25,478,672.20

Finding the Fourth Proportional to 25,856,585.80, 38,784,878.70 and 25,478,672.20

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Solution

The fourth proportional to 25,856,585.80, 38,784,878.70 and 25,478,672.20 is: 38,218,008.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,856,585.80 : 38,784,878.70 = 25,478,672.20 : x
  2. Step 2: Convert to fraction form
    25,856,585.80/38,784,878.70 = 25,478,672.20/x
  3. Step 3: Cross multiply
    25,856,585.80x = 38,784,878.70 × 25,478,672.20
  4. Step 4: Simplify right side
    25,856,585.80x = 988,187,210,714,062.12
  5. Step 5: Solve for x
    x = 988,187,210,714,062.12/25,856,585.80
  6. Step 6: Final answer
    x = 38,218,008.30

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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.