Home / 7,912,779.74-11,867,508.83-2,231,675.45

Finding the Fourth Proportional to 7,912,779.74, 11,867,508.83 and 2,231,675.45

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Solution

The fourth proportional to 7,912,779.74, 11,867,508.83 and 2,231,675.45 is: 3,347,044.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,912,779.74 : 11,867,508.83 = 2,231,675.45 : x
  2. Step 2: Convert to fraction form
    7,912,779.74/11,867,508.83 = 2,231,675.45/x
  3. Step 3: Cross multiply
    7,912,779.74x = 11,867,508.83 × 2,231,675.45
  4. Step 4: Simplify right side
    7,912,779.74x = 26,484,428,114,148.41
  5. Step 5: Solve for x
    x = 26,484,428,114,148.41/7,912,779.74
  6. Step 6: Final answer
    x = 3,347,044.78

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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.