Home / 8,148,932.70-12,223,399.05-6,259,364.70

Finding the Fourth Proportional to 8,148,932.70, 12,223,399.05 and 6,259,364.70

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Solution

The fourth proportional to 8,148,932.70, 12,223,399.05 and 6,259,364.70 is: 9,389,047.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,148,932.70 : 12,223,399.05 = 6,259,364.70 : x
  2. Step 2: Convert to fraction form
    8,148,932.70/12,223,399.05 = 6,259,364.70/x
  3. Step 3: Cross multiply
    8,148,932.70x = 12,223,399.05 × 6,259,364.70
  4. Step 4: Simplify right side
    8,148,932.70x = 76,510,712,527,583.55
  5. Step 5: Solve for x
    x = 76,510,712,527,583.55/8,148,932.70
  6. Step 6: Final answer
    x = 9,389,047.05

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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.