Home / 12,684,219.20-17,504,133.72-6,882,853.40

Finding the Fourth Proportional to 12,684,219.20, 17,504,133.72 and 6,882,853.40

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Solution

The fourth proportional to 12,684,219.20, 17,504,133.72 and 6,882,853.40 is: 9,498,289.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,684,219.20 : 17,504,133.72 = 6,882,853.40 : x
  2. Step 2: Convert to fraction form
    12,684,219.20/17,504,133.72 = 6,882,853.40/x
  3. Step 3: Cross multiply
    12,684,219.20x = 17,504,133.72 × 6,882,853.40
  4. Step 4: Simplify right side
    12,684,219.20x = 120,478,386,288,756.64
  5. Step 5: Solve for x
    x = 120,478,386,288,756.64/12,684,219.20
  6. Step 6: Final answer
    x = 9,498,289.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.