Home / 10,078,067.52-15,108,149.88-3,928,631.76

Finding the Fourth Proportional to 10,078,067.52, 15,108,149.88 and 3,928,631.76

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Solution

The fourth proportional to 10,078,067.52, 15,108,149.88 and 3,928,631.76 is: 5,889,458.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,078,067.52 : 15,108,149.88 = 3,928,631.76 : x
  2. Step 2: Convert to fraction form
    10,078,067.52/15,108,149.88 = 3,928,631.76/x
  3. Step 3: Cross multiply
    10,078,067.52x = 15,108,149.88 × 3,928,631.76
  4. Step 4: Simplify right side
    10,078,067.52x = 59,354,357,453,408.19
  5. Step 5: Solve for x
    x = 59,354,357,453,408.19/10,078,067.52
  6. Step 6: Final answer
    x = 5,889,458.21

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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.