Home / 18,708,267.75-25,817,487.26-10,123,563.75

Finding the Fourth Proportional to 18,708,267.75, 25,817,487.26 and 10,123,563.75

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Solution

The fourth proportional to 18,708,267.75, 25,817,487.26 and 10,123,563.75 is: 13,970,560.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,708,267.75 : 25,817,487.26 = 10,123,563.75 : x
  2. Step 2: Convert to fraction form
    18,708,267.75/25,817,487.26 = 10,123,563.75/x
  3. Step 3: Cross multiply
    18,708,267.75x = 25,817,487.26 × 10,123,563.75
  4. Step 4: Simplify right side
    18,708,267.75x = 261,364,978,090,805
  5. Step 5: Solve for x
    x = 261,364,978,090,805/18,708,267.75
  6. Step 6: Final answer
    x = 13,970,560.05

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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.