Home / 11,503,819.36-15,881,023.44-7,154,306.92

Finding the Fourth Proportional to 11,503,819.36, 15,881,023.44 and 7,154,306.92

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Solution

The fourth proportional to 11,503,819.36, 15,881,023.44 and 7,154,306.92 is: 9,876,521.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,503,819.36 : 15,881,023.44 = 7,154,306.92 : x
  2. Step 2: Convert to fraction form
    11,503,819.36/15,881,023.44 = 7,154,306.92/x
  3. Step 3: Cross multiply
    11,503,819.36x = 15,881,023.44 × 7,154,306.92
  4. Step 4: Simplify right side
    11,503,819.36x = 113,617,715,893,474.20
  5. Step 5: Solve for x
    x = 113,617,715,893,474.20/11,503,819.36
  6. Step 6: Final answer
    x = 9,876,521.21

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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.