Home / 10,305,005.30-15,445,066.35-5,253,715.70

Finding the Fourth Proportional to 10,305,005.30, 15,445,066.35 and 5,253,715.70

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Solution

The fourth proportional to 10,305,005.30, 15,445,066.35 and 5,253,715.70 is: 7,874,230.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,305,005.30 : 15,445,066.35 = 5,253,715.70 : x
  2. Step 2: Convert to fraction form
    10,305,005.30/15,445,066.35 = 5,253,715.70/x
  3. Step 3: Cross multiply
    10,305,005.30x = 15,445,066.35 × 5,253,715.70
  4. Step 4: Simplify right side
    10,305,005.30x = 81,143,987,570,536.70
  5. Step 5: Solve for x
    x = 81,143,987,570,536.70/10,305,005.30
  6. Step 6: Final answer
    x = 7,874,230.55

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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.