Home / 8,661,355.32-12,986,128.08-4,393,293.60

Finding the Fourth Proportional to 8,661,355.32, 12,986,128.08 and 4,393,293.60

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Solution

The fourth proportional to 8,661,355.32, 12,986,128.08 and 4,393,293.60 is: 6,586,945.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,661,355.32 : 12,986,128.08 = 4,393,293.60 : x
  2. Step 2: Convert to fraction form
    8,661,355.32/12,986,128.08 = 4,393,293.60/x
  3. Step 3: Cross multiply
    8,661,355.32x = 12,986,128.08 × 4,393,293.60
  4. Step 4: Simplify right side
    8,661,355.32x = 57,051,873,382,644.28
  5. Step 5: Solve for x
    x = 57,051,873,382,644.28/8,661,355.32
  6. Step 6: Final answer
    x = 6,586,945.26

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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.