Home / 25,156,979.20-37,716,806.40-10,768,268.80

Finding the Fourth Proportional to 25,156,979.20, 37,716,806.40 and 10,768,268.80

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Solution

The fourth proportional to 25,156,979.20, 37,716,806.40 and 10,768,268.80 is: 16,144,414.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,156,979.20 : 37,716,806.40 = 10,768,268.80 : x
  2. Step 2: Convert to fraction form
    25,156,979.20/37,716,806.40 = 10,768,268.80/x
  3. Step 3: Cross multiply
    25,156,979.20x = 37,716,806.40 × 10,768,268.80
  4. Step 4: Simplify right side
    25,156,979.20x = 406,144,709,592,760.31
  5. Step 5: Solve for x
    x = 406,144,709,592,760.31/25,156,979.20
  6. Step 6: Final answer
    x = 16,144,414.89

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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.