Home / 5,328,064.80-7,992,680.40-5,160,103.20

Finding the Fourth Proportional to 5,328,064.80, 7,992,680.40 and 5,160,103.20

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Solution

The fourth proportional to 5,328,064.80, 7,992,680.40 and 5,160,103.20 is: 7,740,719.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328,064.80 : 7,992,680.40 = 5,160,103.20 : x
  2. Step 2: Convert to fraction form
    5,328,064.80/7,992,680.40 = 5,160,103.20/x
  3. Step 3: Cross multiply
    5,328,064.80x = 7,992,680.40 × 5,160,103.20
  4. Step 4: Simplify right side
    5,328,064.80x = 41,243,055,708,617.28
  5. Step 5: Solve for x
    x = 41,243,055,708,617.28/5,328,064.80
  6. Step 6: Final answer
    x = 7,740,719.62

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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.