Home / 7,689,946.20-11,535,956.10-2,642,803.80

Finding the Fourth Proportional to 7,689,946.20, 11,535,956.10 and 2,642,803.80

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Solution

The fourth proportional to 7,689,946.20, 11,535,956.10 and 2,642,803.80 is: 3,964,562.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,689,946.20 : 11,535,956.10 = 2,642,803.80 : x
  2. Step 2: Convert to fraction form
    7,689,946.20/11,535,956.10 = 2,642,803.80/x
  3. Step 3: Cross multiply
    7,689,946.20x = 11,535,956.10 × 2,642,803.80
  4. Step 4: Simplify right side
    7,689,946.20x = 30,487,268,617,713.18
  5. Step 5: Solve for x
    x = 30,487,268,617,713.18/7,689,946.20
  6. Step 6: Final answer
    x = 3,964,562.02

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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.