Home / 25,811,218.78-38,716,655.87-10,458,281.95

Finding the Fourth Proportional to 25,811,218.78, 38,716,655.87 and 10,458,281.95

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Solution

The fourth proportional to 25,811,218.78, 38,716,655.87 and 10,458,281.95 is: 15,687,353.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,811,218.78 : 38,716,655.87 = 10,458,281.95 : x
  2. Step 2: Convert to fraction form
    25,811,218.78/38,716,655.87 = 10,458,281.95/x
  3. Step 3: Cross multiply
    25,811,218.78x = 38,716,655.87 × 10,458,281.95
  4. Step 4: Simplify right side
    25,811,218.78x = 404,909,703,178,936.62
  5. Step 5: Solve for x
    x = 404,909,703,178,936.62/25,811,218.78
  6. Step 6: Final answer
    x = 15,687,353.11

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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.