Home / 28,684,947.76-43,011,644.36-19,597,306.66

Finding the Fourth Proportional to 28,684,947.76, 43,011,644.36 and 19,597,306.66

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Solution

The fourth proportional to 28,684,947.76, 43,011,644.36 and 19,597,306.66 is: 29,385,181.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,684,947.76 : 43,011,644.36 = 19,597,306.66 : x
  2. Step 2: Convert to fraction form
    28,684,947.76/43,011,644.36 = 19,597,306.66/x
  3. Step 3: Cross multiply
    28,684,947.76x = 43,011,644.36 × 19,597,306.66
  4. Step 4: Simplify right side
    28,684,947.76x = 842,912,384,268,263.62
  5. Step 5: Solve for x
    x = 842,912,384,268,263.62/28,684,947.76
  6. Step 6: Final answer
    x = 29,385,181.09

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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.