Home / 10,143,595.52-15,223,026.72-7,863,542.72

Finding the Fourth Proportional to 10,143,595.52, 15,223,026.72 and 7,863,542.72

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Solution

The fourth proportional to 10,143,595.52, 15,223,026.72 and 7,863,542.72 is: 11,801,231.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,143,595.52 : 15,223,026.72 = 7,863,542.72 : x
  2. Step 2: Convert to fraction form
    10,143,595.52/15,223,026.72 = 7,863,542.72/x
  3. Step 3: Cross multiply
    10,143,595.52x = 15,223,026.72 × 7,863,542.72
  4. Step 4: Simplify right side
    10,143,595.52x = 119,706,920,940,421.48
  5. Step 5: Solve for x
    x = 119,706,920,940,421.48/10,143,595.52
  6. Step 6: Final answer
    x = 11,801,231.69

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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.