Home / 7,820,920.04-11,732,134.22-2,428,122.52

Finding the Fourth Proportional to 7,820,920.04, 11,732,134.22 and 2,428,122.52

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Solution

The fourth proportional to 7,820,920.04, 11,732,134.22 and 2,428,122.52 is: 3,642,417.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,820,920.04 : 11,732,134.22 = 2,428,122.52 : x
  2. Step 2: Convert to fraction form
    7,820,920.04/11,732,134.22 = 2,428,122.52/x
  3. Step 3: Cross multiply
    7,820,920.04x = 11,732,134.22 × 2,428,122.52
  4. Step 4: Simplify right side
    7,820,920.04x = 28,487,059,307,244.64
  5. Step 5: Solve for x
    x = 28,487,059,307,244.64/7,820,920.04
  6. Step 6: Final answer
    x = 3,642,417.92

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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.