Home / 18,286,218.98-25,236,115.94-10,137,456.98

Finding the Fourth Proportional to 18,286,218.98, 25,236,115.94 and 10,137,456.98

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Solution

The fourth proportional to 18,286,218.98, 25,236,115.94 and 10,137,456.98 is: 13,990,319.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,286,218.98 : 25,236,115.94 = 10,137,456.98 : x
  2. Step 2: Convert to fraction form
    18,286,218.98/25,236,115.94 = 10,137,456.98/x
  3. Step 3: Cross multiply
    18,286,218.98x = 25,236,115.94 × 10,137,456.98
  4. Step 4: Simplify right side
    18,286,218.98x = 255,830,039,696,445.25
  5. Step 5: Solve for x
    x = 255,830,039,696,445.25/18,286,218.98
  6. Step 6: Final answer
    x = 13,990,319.15

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1.5x scale

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.