Home / 19,427,351.60-29,135,947.80-5,776,821.20

Finding the Fourth Proportional to 19,427,351.60, 29,135,947.80 and 5,776,821.20

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Solution

The fourth proportional to 19,427,351.60, 29,135,947.80 and 5,776,821.20 is: 8,663,721.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,427,351.60 : 29,135,947.80 = 5,776,821.20 : x
  2. Step 2: Convert to fraction form
    19,427,351.60/29,135,947.80 = 5,776,821.20/x
  3. Step 3: Cross multiply
    19,427,351.60x = 29,135,947.80 × 5,776,821.20
  4. Step 4: Simplify right side
    19,427,351.60x = 168,313,160,933,133.38
  5. Step 5: Solve for x
    x = 168,313,160,933,133.38/19,427,351.60
  6. Step 6: Final answer
    x = 8,663,721.36

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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.