Home / 25,920,145.40-38,880,218.10-25,542,231.80

Finding the Fourth Proportional to 25,920,145.40, 38,880,218.10 and 25,542,231.80

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Solution

The fourth proportional to 25,920,145.40, 38,880,218.10 and 25,542,231.80 is: 38,313,347.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,920,145.40 : 38,880,218.10 = 25,542,231.80 : x
  2. Step 2: Convert to fraction form
    25,920,145.40/38,880,218.10 = 25,542,231.80/x
  3. Step 3: Cross multiply
    25,920,145.40x = 38,880,218.10 × 25,542,231.80
  4. Step 4: Simplify right side
    25,920,145.40x = 993,087,543,144,755.62
  5. Step 5: Solve for x
    x = 993,087,543,144,755.62/25,920,145.40
  6. Step 6: Final answer
    x = 38,313,347.70

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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.