Home / 13,302,921.60-19,957,334.85-6,112,721.70

Finding the Fourth Proportional to 13,302,921.60, 19,957,334.85 and 6,112,721.70

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Solution

The fourth proportional to 13,302,921.60, 19,957,334.85 and 6,112,721.70 is: 9,170,439.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,302,921.60 : 19,957,334.85 = 6,112,721.70 : x
  2. Step 2: Convert to fraction form
    13,302,921.60/19,957,334.85 = 6,112,721.70/x
  3. Step 3: Cross multiply
    13,302,921.60x = 19,957,334.85 × 6,112,721.70
  4. Step 4: Simplify right side
    13,302,921.60x = 121,993,633,811,761.27
  5. Step 5: Solve for x
    x = 121,993,633,811,761.27/13,302,921.60
  6. Step 6: Final answer
    x = 9,170,439.21

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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.