Home / 13,572,194.85-18,729,761.85-7,377,237.72

Finding the Fourth Proportional to 13,572,194.85, 18,729,761.85 and 7,377,237.72

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Solution

The fourth proportional to 13,572,194.85, 18,729,761.85 and 7,377,237.72 is: 10,180,660.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,572,194.85 : 18,729,761.85 = 7,377,237.72 : x
  2. Step 2: Convert to fraction form
    13,572,194.85/18,729,761.85 = 7,377,237.72/x
  3. Step 3: Cross multiply
    13,572,194.85x = 18,729,761.85 × 7,377,237.72
  4. Step 4: Simplify right side
    13,572,194.85x = 138,173,905,606,436.98
  5. Step 5: Solve for x
    x = 138,173,905,606,436.98/13,572,194.85
  6. Step 6: Final answer
    x = 10,180,660.32

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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.