Home / 7,189,213.92-10,780,822.80-2,926,488.48

Finding the Fourth Proportional to 7,189,213.92, 10,780,822.80 and 2,926,488.48

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Solution

The fourth proportional to 7,189,213.92, 10,780,822.80 and 2,926,488.48 is: 4,388,512.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,189,213.92 : 10,780,822.80 = 2,926,488.48 : x
  2. Step 2: Convert to fraction form
    7,189,213.92/10,780,822.80 = 2,926,488.48/x
  3. Step 3: Cross multiply
    7,189,213.92x = 10,780,822.80 × 2,926,488.48
  4. Step 4: Simplify right side
    7,189,213.92x = 31,549,953,729,121.35
  5. Step 5: Solve for x
    x = 31,549,953,729,121.35/7,189,213.92
  6. Step 6: Final answer
    x = 4,388,512.30

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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.