Home / 7,251,590.76-10,007,480.80-3,988,709.10

Finding the Fourth Proportional to 7,251,590.76, 10,007,480.80 and 3,988,709.10

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Solution

The fourth proportional to 7,251,590.76, 10,007,480.80 and 3,988,709.10 is: 5,504,575.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,251,590.76 : 10,007,480.80 = 3,988,709.10 : x
  2. Step 2: Convert to fraction form
    7,251,590.76/10,007,480.80 = 3,988,709.10/x
  3. Step 3: Cross multiply
    7,251,590.76x = 10,007,480.80 × 3,988,709.10
  4. Step 4: Simplify right side
    7,251,590.76x = 39,916,929,735,035.28
  5. Step 5: Solve for x
    x = 39,916,929,735,035.28/7,251,590.76
  6. Step 6: Final answer
    x = 5,504,575.62

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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.