Home / 8,199,831.40-12,299,747.10-8,073,860.20

Finding the Fourth Proportional to 8,199,831.40, 12,299,747.10 and 8,073,860.20

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Solution

The fourth proportional to 8,199,831.40, 12,299,747.10 and 8,073,860.20 is: 12,110,790.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,199,831.40 : 12,299,747.10 = 8,073,860.20 : x
  2. Step 2: Convert to fraction form
    8,199,831.40/12,299,747.10 = 8,073,860.20/x
  3. Step 3: Cross multiply
    8,199,831.40x = 12,299,747.10 × 8,073,860.20
  4. Step 4: Simplify right side
    8,199,831.40x = 99,306,438,580,755.42
  5. Step 5: Solve for x
    x = 99,306,438,580,755.42/8,199,831.40
  6. Step 6: Final answer
    x = 12,110,790.30

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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.