Home / 7,983,996.12-11,017,920.78-4,312,911.96

Finding the Fourth Proportional to 7,983,996.12, 11,017,920.78 and 4,312,911.96

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Solution

The fourth proportional to 7,983,996.12, 11,017,920.78 and 4,312,911.96 is: 5,951,821.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,983,996.12 : 11,017,920.78 = 4,312,911.96 : x
  2. Step 2: Convert to fraction form
    7,983,996.12/11,017,920.78 = 4,312,911.96/x
  3. Step 3: Cross multiply
    7,983,996.12x = 11,017,920.78 × 4,312,911.96
  4. Step 4: Simplify right side
    7,983,996.12x = 47,519,322,306,394.52
  5. Step 5: Solve for x
    x = 47,519,322,306,394.52/7,983,996.12
  6. Step 6: Final answer
    x = 5,951,821.82

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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.