Home / 18,254,866.71-25,190,758.84-9,993,346.23

Finding the Fourth Proportional to 18,254,866.71, 25,190,758.84 and 9,993,346.23

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Solution

The fourth proportional to 18,254,866.71, 25,190,758.84 and 9,993,346.23 is: 13,790,293.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,254,866.71 : 25,190,758.84 = 9,993,346.23 : x
  2. Step 2: Convert to fraction form
    18,254,866.71/25,190,758.84 = 9,993,346.23/x
  3. Step 3: Cross multiply
    18,254,866.71x = 25,190,758.84 × 9,993,346.23
  4. Step 4: Simplify right side
    18,254,866.71x = 251,739,974,884,553.19
  5. Step 5: Solve for x
    x = 251,739,974,884,553.19/18,254,866.71
  6. Step 6: Final answer
    x = 13,790,293.78

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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.