Home / 25,278,757.80-37,918,136.70-20,239,909.80

Finding the Fourth Proportional to 25,278,757.80, 37,918,136.70 and 20,239,909.80

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Solution

The fourth proportional to 25,278,757.80, 37,918,136.70 and 20,239,909.80 is: 30,359,864.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,278,757.80 : 37,918,136.70 = 20,239,909.80 : x
  2. Step 2: Convert to fraction form
    25,278,757.80/37,918,136.70 = 20,239,909.80/x
  3. Step 3: Cross multiply
    25,278,757.80x = 37,918,136.70 × 20,239,909.80
  4. Step 4: Simplify right side
    25,278,757.80x = 767,459,666,592,069.75
  5. Step 5: Solve for x
    x = 767,459,666,592,069.75/25,278,757.80
  6. Step 6: Final answer
    x = 30,359,864.70

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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.