Home / 25,838,290.80-38,757,436.20-18,185,540.40

Finding the Fourth Proportional to 25,838,290.80, 38,757,436.20 and 18,185,540.40

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Solution

The fourth proportional to 25,838,290.80, 38,757,436.20 and 18,185,540.40 is: 27,278,310.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,838,290.80 : 38,757,436.20 = 18,185,540.40 : x
  2. Step 2: Convert to fraction form
    25,838,290.80/38,757,436.20 = 18,185,540.40/x
  3. Step 3: Cross multiply
    25,838,290.80x = 38,757,436.20 × 18,185,540.40
  4. Step 4: Simplify right side
    25,838,290.80x = 704,824,921,815,522.50
  5. Step 5: Solve for x
    x = 704,824,921,815,522.50/25,838,290.80
  6. Step 6: Final answer
    x = 27,278,310.60

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1.5x scale

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.