Home / 7,711,106.40-11,563,380.72-3,159,010.08

Finding the Fourth Proportional to 7,711,106.40, 11,563,380.72 and 3,159,010.08

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Solution

The fourth proportional to 7,711,106.40, 11,563,380.72 and 3,159,010.08 is: 4,737,171.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,711,106.40 : 11,563,380.72 = 3,159,010.08 : x
  2. Step 2: Convert to fraction form
    7,711,106.40/11,563,380.72 = 3,159,010.08/x
  3. Step 3: Cross multiply
    7,711,106.40x = 11,563,380.72 × 3,159,010.08
  4. Step 4: Simplify right side
    7,711,106.40x = 36,528,836,253,357.66
  5. Step 5: Solve for x
    x = 36,528,836,253,357.66/7,711,106.40
  6. Step 6: Final answer
    x = 4,737,171.86

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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.