Home / 25,976,961.40-38,979,438.90-10,832,423.80

Finding the Fourth Proportional to 25,976,961.40, 38,979,438.90 and 10,832,423.80

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Solution

The fourth proportional to 25,976,961.40, 38,979,438.90 and 10,832,423.80 is: 16,254,472.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,976,961.40 : 38,979,438.90 = 10,832,423.80 : x
  2. Step 2: Convert to fraction form
    25,976,961.40/38,979,438.90 = 10,832,423.80/x
  3. Step 3: Cross multiply
    25,976,961.40x = 38,979,438.90 × 10,832,423.80
  4. Step 4: Simplify right side
    25,976,961.40x = 422,241,801,651,005.81
  5. Step 5: Solve for x
    x = 422,241,801,651,005.81/25,976,961.40
  6. Step 6: Final answer
    x = 16,254,472.38

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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.