Home / 25,856,586.30-38,784,879.45-25,478,672.70

Finding the Fourth Proportional to 25,856,586.30, 38,784,879.45 and 25,478,672.70

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Solution

The fourth proportional to 25,856,586.30, 38,784,879.45 and 25,478,672.70 is: 38,218,009.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,856,586.30 : 38,784,879.45 = 25,478,672.70 : x
  2. Step 2: Convert to fraction form
    25,856,586.30/38,784,879.45 = 25,478,672.70/x
  3. Step 3: Cross multiply
    25,856,586.30x = 38,784,879.45 × 25,478,672.70
  4. Step 4: Simplify right side
    25,856,586.30x = 988,187,249,215,506
  5. Step 5: Solve for x
    x = 988,187,249,215,506/25,856,586.30
  6. Step 6: Final answer
    x = 38,218,009.05

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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.