Home / 5,517,998.13-7,615,500.17-3,342,477.45

Finding the Fourth Proportional to 5,517,998.13, 7,615,500.17 and 3,342,477.45

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Solution

The fourth proportional to 5,517,998.13, 7,615,500.17 and 3,342,477.45 is: 4,613,020.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517,998.13 : 7,615,500.17 = 3,342,477.45 : x
  2. Step 2: Convert to fraction form
    5,517,998.13/7,615,500.17 = 3,342,477.45/x
  3. Step 3: Cross multiply
    5,517,998.13x = 7,615,500.17 × 3,342,477.45
  4. Step 4: Simplify right side
    5,517,998.13x = 25,454,637,571,983.78
  5. Step 5: Solve for x
    x = 25,454,637,571,983.78/5,517,998.13
  6. Step 6: Final answer
    x = 4,613,020.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.