Home / 12,139,469.70-18,209,204.55-6,092,852.10

Finding the Fourth Proportional to 12,139,469.70, 18,209,204.55 and 6,092,852.10

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Solution

The fourth proportional to 12,139,469.70, 18,209,204.55 and 6,092,852.10 is: 9,139,278.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,139,469.70 : 18,209,204.55 = 6,092,852.10 : x
  2. Step 2: Convert to fraction form
    12,139,469.70/18,209,204.55 = 6,092,852.10/x
  3. Step 3: Cross multiply
    12,139,469.70x = 18,209,204.55 × 6,092,852.10
  4. Step 4: Simplify right side
    12,139,469.70x = 110,945,990,181,797.05
  5. Step 5: Solve for x
    x = 110,945,990,181,797.05/12,139,469.70
  6. Step 6: Final answer
    x = 9,139,278.15

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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.