Home / 25,278,412.28-37,884,097.64-12,981,878.91

Finding the Fourth Proportional to 25,278,412.28, 37,884,097.64 and 12,981,878.91

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Solution

The fourth proportional to 25,278,412.28, 37,884,097.64 and 12,981,878.91 is: 19,455,603.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,278,412.28 : 37,884,097.64 = 12,981,878.91 : x
  2. Step 2: Convert to fraction form
    25,278,412.28/37,884,097.64 = 12,981,878.91/x
  3. Step 3: Cross multiply
    25,278,412.28x = 37,884,097.64 × 12,981,878.91
  4. Step 4: Simplify right side
    25,278,412.28x = 491,806,768,112,187.38
  5. Step 5: Solve for x
    x = 491,806,768,112,187.38/25,278,412.28
  6. Step 6: Final answer
    x = 19,455,603.57

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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.