Home / 34,378,947.38-47,443,844.76-18,909,437.96

Finding the Fourth Proportional to 34,378,947.38, 47,443,844.76 and 18,909,437.96

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Solution

The fourth proportional to 34,378,947.38, 47,443,844.76 and 18,909,437.96 is: 26,095,517.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,378,947.38 : 47,443,844.76 = 18,909,437.96 : x
  2. Step 2: Convert to fraction form
    34,378,947.38/47,443,844.76 = 18,909,437.96/x
  3. Step 3: Cross multiply
    34,378,947.38x = 47,443,844.76 × 18,909,437.96
  4. Step 4: Simplify right side
    34,378,947.38x = 897,136,439,073,091.12
  5. Step 5: Solve for x
    x = 897,136,439,073,091.12/34,378,947.38
  6. Step 6: Final answer
    x = 26,095,517.97

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1.5x scale

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.