Home / 9,142,129.68-12,617,424.26-5,658,585.86

Finding the Fourth Proportional to 9,142,129.68, 12,617,424.26 and 5,658,585.86

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Solution

The fourth proportional to 9,142,129.68, 12,617,424.26 and 5,658,585.86 is: 7,809,644.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,142,129.68 : 12,617,424.26 = 5,658,585.86 : x
  2. Step 2: Convert to fraction form
    9,142,129.68/12,617,424.26 = 5,658,585.86/x
  3. Step 3: Cross multiply
    9,142,129.68x = 12,617,424.26 × 5,658,585.86
  4. Step 4: Simplify right side
    9,142,129.68x = 71,396,778,531,727.28
  5. Step 5: Solve for x
    x = 71,396,778,531,727.28/9,142,129.68
  6. Step 6: Final answer
    x = 7,809,644.04

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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.