Home / 7,176,958.80-10,761,720.30-2,127,613.20

Finding the Fourth Proportional to 7,176,958.80, 10,761,720.30 and 2,127,613.20

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Solution

The fourth proportional to 7,176,958.80, 10,761,720.30 and 2,127,613.20 is: 3,190,317.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,176,958.80 : 10,761,720.30 = 2,127,613.20 : x
  2. Step 2: Convert to fraction form
    7,176,958.80/10,761,720.30 = 2,127,613.20/x
  3. Step 3: Cross multiply
    7,176,958.80x = 10,761,720.30 × 2,127,613.20
  4. Step 4: Simplify right side
    7,176,958.80x = 22,896,778,164,987.96
  5. Step 5: Solve for x
    x = 22,896,778,164,987.96/7,176,958.80
  6. Step 6: Final answer
    x = 3,190,317.63

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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.