Home / 18,268,782.89-25,210,939.98-9,896,172.14

Finding the Fourth Proportional to 18,268,782.89, 25,210,939.98 and 9,896,172.14

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Solution

The fourth proportional to 18,268,782.89, 25,210,939.98 and 9,896,172.14 is: 13,656,728.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,268,782.89 : 25,210,939.98 = 9,896,172.14 : x
  2. Step 2: Convert to fraction form
    18,268,782.89/25,210,939.98 = 9,896,172.14/x
  3. Step 3: Cross multiply
    18,268,782.89x = 25,210,939.98 × 9,896,172.14
  4. Step 4: Simplify right side
    18,268,782.89x = 249,491,801,727,233.47
  5. Step 5: Solve for x
    x = 249,491,801,727,233.47/18,268,782.89
  6. Step 6: Final answer
    x = 13,656,728.16

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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.