Home / 13,129,318.50-18,117,722.44-7,328,474.22

Finding the Fourth Proportional to 13,129,318.50, 18,117,722.44 and 7,328,474.22

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Solution

The fourth proportional to 13,129,318.50, 18,117,722.44 and 7,328,474.22 is: 10,112,883.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,129,318.50 : 18,117,722.44 = 7,328,474.22 : x
  2. Step 2: Convert to fraction form
    13,129,318.50/18,117,722.44 = 7,328,474.22/x
  3. Step 3: Cross multiply
    13,129,318.50x = 18,117,722.44 × 7,328,474.22
  4. Step 4: Simplify right side
    13,129,318.50x = 132,775,261,826,655.50
  5. Step 5: Solve for x
    x = 132,775,261,826,655.50/13,129,318.50
  6. Step 6: Final answer
    x = 10,112,883.00

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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.