Home / 25,428,100.68-35,090,531.40-13,825,664.16

Finding the Fourth Proportional to 25,428,100.68, 35,090,531.40 and 13,825,664.16

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Solution

The fourth proportional to 25,428,100.68, 35,090,531.40 and 13,825,664.16 is: 19,079,281.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,428,100.68 : 35,090,531.40 = 13,825,664.16 : x
  2. Step 2: Convert to fraction form
    25,428,100.68/35,090,531.40 = 13,825,664.16/x
  3. Step 3: Cross multiply
    25,428,100.68x = 35,090,531.40 × 13,825,664.16
  4. Step 4: Simplify right side
    25,428,100.68x = 485,149,902,332,334.62
  5. Step 5: Solve for x
    x = 485,149,902,332,334.62/25,428,100.68
  6. Step 6: Final answer
    x = 19,079,281.95

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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.