Home / 9,181,555.80-13,772,333.70-8,173,786.20

Finding the Fourth Proportional to 9,181,555.80, 13,772,333.70 and 8,173,786.20

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Solution

The fourth proportional to 9,181,555.80, 13,772,333.70 and 8,173,786.20 is: 12,260,679.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,181,555.80 : 13,772,333.70 = 8,173,786.20 : x
  2. Step 2: Convert to fraction form
    9,181,555.80/13,772,333.70 = 8,173,786.20/x
  3. Step 3: Cross multiply
    9,181,555.80x = 13,772,333.70 × 8,173,786.20
  4. Step 4: Simplify right side
    9,181,555.80x = 112,572,111,138,854.94
  5. Step 5: Solve for x
    x = 112,572,111,138,854.94/9,181,555.80
  6. Step 6: Final answer
    x = 12,260,679.30

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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.