Home / 7,920,135.60-10,929,791.52-4,298,463.60

Finding the Fourth Proportional to 7,920,135.60, 10,929,791.52 and 4,298,463.60

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Solution

The fourth proportional to 7,920,135.60, 10,929,791.52 and 4,298,463.60 is: 5,931,882.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,920,135.60 : 10,929,791.52 = 4,298,463.60 : x
  2. Step 2: Convert to fraction form
    7,920,135.60/10,929,791.52 = 4,298,463.60/x
  3. Step 3: Cross multiply
    7,920,135.60x = 10,929,791.52 × 4,298,463.60
  4. Step 4: Simplify right side
    7,920,135.60x = 46,981,311,004,308.66
  5. Step 5: Solve for x
    x = 46,981,311,004,308.66/7,920,135.60
  6. Step 6: Final answer
    x = 5,931,882.15

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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.