Home / 7,021,096.12-9,689,303.82-3,965,764.60

Finding the Fourth Proportional to 7,021,096.12, 9,689,303.82 and 3,965,764.60

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Solution

The fourth proportional to 7,021,096.12, 9,689,303.82 and 3,965,764.60 is: 5,472,863.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,021,096.12 : 9,689,303.82 = 3,965,764.60 : x
  2. Step 2: Convert to fraction form
    7,021,096.12/9,689,303.82 = 3,965,764.60/x
  3. Step 3: Cross multiply
    7,021,096.12x = 9,689,303.82 × 3,965,764.60
  4. Step 4: Simplify right side
    7,021,096.12x = 38,425,498,088,000.77
  5. Step 5: Solve for x
    x = 38,425,498,088,000.77/7,021,096.12
  6. Step 6: Final answer
    x = 5,472,863.13

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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.