Home / 7,884,020.70-11,826,031.05-6,907,743.90

Finding the Fourth Proportional to 7,884,020.70, 11,826,031.05 and 6,907,743.90

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Solution

The fourth proportional to 7,884,020.70, 11,826,031.05 and 6,907,743.90 is: 10,361,615.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,884,020.70 : 11,826,031.05 = 6,907,743.90 : x
  2. Step 2: Convert to fraction form
    7,884,020.70/11,826,031.05 = 6,907,743.90/x
  3. Step 3: Cross multiply
    7,884,020.70x = 11,826,031.05 × 6,907,743.90
  4. Step 4: Simplify right side
    7,884,020.70x = 81,691,193,846,848.11
  5. Step 5: Solve for x
    x = 81,691,193,846,848.11/7,884,020.70
  6. Step 6: Final answer
    x = 10,361,615.85

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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.