Home / 15,181,829.44-20,948,855.52-9,068,960.32

Finding the Fourth Proportional to 15,181,829.44, 20,948,855.52 and 9,068,960.32

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Solution

The fourth proportional to 15,181,829.44, 20,948,855.52 and 9,068,960.32 is: 12,513,929.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,181,829.44 : 20,948,855.52 = 9,068,960.32 : x
  2. Step 2: Convert to fraction form
    15,181,829.44/20,948,855.52 = 9,068,960.32/x
  3. Step 3: Cross multiply
    15,181,829.44x = 20,948,855.52 × 9,068,960.32
  4. Step 4: Simplify right side
    15,181,829.44x = 189,984,339,460,292.97
  5. Step 5: Solve for x
    x = 189,984,339,460,292.97/15,181,829.44
  6. Step 6: Final answer
    x = 12,513,929.25

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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.