Home / 7,191,756.20-10,787,634.30-6,470,143.40

Finding the Fourth Proportional to 7,191,756.20, 10,787,634.30 and 6,470,143.40

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Solution

The fourth proportional to 7,191,756.20, 10,787,634.30 and 6,470,143.40 is: 9,705,215.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,191,756.20 : 10,787,634.30 = 6,470,143.40 : x
  2. Step 2: Convert to fraction form
    7,191,756.20/10,787,634.30 = 6,470,143.40/x
  3. Step 3: Cross multiply
    7,191,756.20x = 10,787,634.30 × 6,470,143.40
  4. Step 4: Simplify right side
    7,191,756.20x = 69,797,540,867,758.62
  5. Step 5: Solve for x
    x = 69,797,540,867,758.62/7,191,756.20
  6. Step 6: Final answer
    x = 9,705,215.10

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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.