Home / 17,039,920.23-25,559,695.80-13,612,125.78

Finding the Fourth Proportional to 17,039,920.23, 25,559,695.80 and 13,612,125.78

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Solution

The fourth proportional to 17,039,920.23, 25,559,695.80 and 13,612,125.78 is: 20,418,041.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,039,920.23 : 25,559,695.80 = 13,612,125.78 : x
  2. Step 2: Convert to fraction form
    17,039,920.23/25,559,695.80 = 13,612,125.78/x
  3. Step 3: Cross multiply
    17,039,920.23x = 25,559,695.80 × 13,612,125.78
  4. Step 4: Simplify right side
    17,039,920.23x = 347,921,794,128,137.69
  5. Step 5: Solve for x
    x = 347,921,794,128,137.69/17,039,920.23
  6. Step 6: Final answer
    x = 20,418,041.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.