Home / 28,471,934.88-42,707,891.76-11,432,602.56

Finding the Fourth Proportional to 28,471,934.88, 42,707,891.76 and 11,432,602.56

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Solution

The fourth proportional to 28,471,934.88, 42,707,891.76 and 11,432,602.56 is: 17,148,899.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,471,934.88 : 42,707,891.76 = 11,432,602.56 : x
  2. Step 2: Convert to fraction form
    28,471,934.88/42,707,891.76 = 11,432,602.56/x
  3. Step 3: Cross multiply
    28,471,934.88x = 42,707,891.76 × 11,432,602.56
  4. Step 4: Simplify right side
    28,471,934.88x = 488,262,352,667,578.88
  5. Step 5: Solve for x
    x = 488,262,352,667,578.88/28,471,934.88
  6. Step 6: Final answer
    x = 17,148,899.60

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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.