Home / 10,181,158.80-15,271,738.20-9,708,766.80

Finding the Fourth Proportional to 10,181,158.80, 15,271,738.20 and 9,708,766.80

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Solution

The fourth proportional to 10,181,158.80, 15,271,738.20 and 9,708,766.80 is: 14,563,150.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,181,158.80 : 15,271,738.20 = 9,708,766.80 : x
  2. Step 2: Convert to fraction form
    10,181,158.80/15,271,738.20 = 9,708,766.80/x
  3. Step 3: Cross multiply
    10,181,158.80x = 15,271,738.20 × 9,708,766.80
  4. Step 4: Simplify right side
    10,181,158.80x = 148,269,744,814,451.75
  5. Step 5: Solve for x
    x = 148,269,744,814,451.75/10,181,158.80
  6. Step 6: Final answer
    x = 14,563,150.20

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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.