Home / 18,433,965.89-25,370,618.18-13,531,422.66

Finding the Fourth Proportional to 18,433,965.89, 25,370,618.18 and 13,531,422.66

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Solution

The fourth proportional to 18,433,965.89, 25,370,618.18 and 13,531,422.66 is: 18,623,260.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,433,965.89 : 25,370,618.18 = 13,531,422.66 : x
  2. Step 2: Convert to fraction form
    18,433,965.89/25,370,618.18 = 13,531,422.66/x
  3. Step 3: Cross multiply
    18,433,965.89x = 25,370,618.18 × 13,531,422.66
  4. Step 4: Simplify right side
    18,433,965.89x = 343,300,557,671,402.88
  5. Step 5: Solve for x
    x = 343,300,557,671,402.88/18,433,965.89
  6. Step 6: Final answer
    x = 18,623,260.99

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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.