Home / 19,319,159.62-28,979,732.04-4,942,352.14

Finding the Fourth Proportional to 19,319,159.62, 28,979,732.04 and 4,942,352.14

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Solution

The fourth proportional to 19,319,159.62, 28,979,732.04 and 4,942,352.14 is: 7,413,782.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,319,159.62 : 28,979,732.04 = 4,942,352.14 : x
  2. Step 2: Convert to fraction form
    19,319,159.62/28,979,732.04 = 4,942,352.14/x
  3. Step 3: Cross multiply
    19,319,159.62x = 28,979,732.04 × 4,942,352.14
  4. Step 4: Simplify right side
    19,319,159.62x = 143,228,040,664,520.56
  5. Step 5: Solve for x
    x = 143,228,040,664,520.56/19,319,159.62
  6. Step 6: Final answer
    x = 7,413,782.15

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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.