Home / 9,181,556.80-13,772,335.20-8,173,787.20

Finding the Fourth Proportional to 9,181,556.80, 13,772,335.20 and 8,173,787.20

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Solution

The fourth proportional to 9,181,556.80, 13,772,335.20 and 8,173,787.20 is: 12,260,680.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,181,556.80 : 13,772,335.20 = 8,173,787.20 : x
  2. Step 2: Convert to fraction form
    9,181,556.80/13,772,335.20 = 8,173,787.20/x
  3. Step 3: Cross multiply
    9,181,556.80x = 13,772,335.20 × 8,173,787.20
  4. Step 4: Simplify right side
    9,181,556.80x = 112,572,137,171,869.44
  5. Step 5: Solve for x
    x = 112,572,137,171,869.44/9,181,556.80
  6. Step 6: Final answer
    x = 12,260,680.80

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1.5x scale

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.