Home / 13,005,961.20-19,521,046.56-6,620,993.52

Finding the Fourth Proportional to 13,005,961.20, 19,521,046.56 and 6,620,993.52

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Solution

The fourth proportional to 13,005,961.20, 19,521,046.56 and 6,620,993.52 is: 9,937,652.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,005,961.20 : 19,521,046.56 = 6,620,993.52 : x
  2. Step 2: Convert to fraction form
    13,005,961.20/19,521,046.56 = 6,620,993.52/x
  3. Step 3: Cross multiply
    13,005,961.20x = 19,521,046.56 × 6,620,993.52
  4. Step 4: Simplify right side
    13,005,961.20x = 129,248,722,777,378.28
  5. Step 5: Solve for x
    x = 129,248,722,777,378.28/13,005,961.20
  6. Step 6: Final answer
    x = 9,937,652.50

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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.