Home / 12,757,919.76-19,131,264.72-4,668,793.20

Finding the Fourth Proportional to 12,757,919.76, 19,131,264.72 and 4,668,793.20

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Solution

The fourth proportional to 12,757,919.76, 19,131,264.72 and 4,668,793.20 is: 7,001,135.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,757,919.76 : 19,131,264.72 = 4,668,793.20 : x
  2. Step 2: Convert to fraction form
    12,757,919.76/19,131,264.72 = 4,668,793.20/x
  3. Step 3: Cross multiply
    12,757,919.76x = 19,131,264.72 × 4,668,793.20
  4. Step 4: Simplify right side
    12,757,919.76x = 89,319,918,632,135.91
  5. Step 5: Solve for x
    x = 89,319,918,632,135.91/12,757,919.76
  6. Step 6: Final answer
    x = 7,001,135.01

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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.