Home / 7,820,919.04-11,732,132.72-2,428,121.52

Finding the Fourth Proportional to 7,820,919.04, 11,732,132.72 and 2,428,121.52

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Solution

The fourth proportional to 7,820,919.04, 11,732,132.72 and 2,428,121.52 is: 3,642,416.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,820,919.04 : 11,732,132.72 = 2,428,121.52 : x
  2. Step 2: Convert to fraction form
    7,820,919.04/11,732,132.72 = 2,428,121.52/x
  3. Step 3: Cross multiply
    7,820,919.04x = 11,732,132.72 × 2,428,121.52
  4. Step 4: Simplify right side
    7,820,919.04x = 28,487,043,932,928.14
  5. Step 5: Solve for x
    x = 28,487,043,932,928.14/7,820,919.04
  6. Step 6: Final answer
    x = 3,642,416.42

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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.