Home / 7,503,930.63-11,253,138.78-2,578,565.55

Finding the Fourth Proportional to 7,503,930.63, 11,253,138.78 and 2,578,565.55

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Solution

The fourth proportional to 7,503,930.63, 11,253,138.78 and 2,578,565.55 is: 3,866,900.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,503,930.63 : 11,253,138.78 = 2,578,565.55 : x
  2. Step 2: Convert to fraction form
    7,503,930.63/11,253,138.78 = 2,578,565.55/x
  3. Step 3: Cross multiply
    7,503,930.63x = 11,253,138.78 × 2,578,565.55
  4. Step 4: Simplify right side
    7,503,930.63x = 29,016,955,987,477.02
  5. Step 5: Solve for x
    x = 29,016,955,987,477.02/7,503,930.63
  6. Step 6: Final answer
    x = 3,866,900.88

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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.