Home / 18,434,659.56-25,437,900.96-10,174,569.72

Finding the Fourth Proportional to 18,434,659.56, 25,437,900.96 and 10,174,569.72

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Solution

The fourth proportional to 18,434,659.56, 25,437,900.96 and 10,174,569.72 is: 14,039,841.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,434,659.56 : 25,437,900.96 = 10,174,569.72 : x
  2. Step 2: Convert to fraction form
    18,434,659.56/25,437,900.96 = 10,174,569.72/x
  3. Step 3: Cross multiply
    18,434,659.56x = 25,437,900.96 × 10,174,569.72
  4. Step 4: Simplify right side
    18,434,659.56x = 258,819,696,847,974.97
  5. Step 5: Solve for x
    x = 258,819,696,847,974.97/18,434,659.56
  6. Step 6: Final answer
    x = 14,039,841.42

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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.