Home / 18,403,480.20-27,605,220.30-6,286,625.40

Finding the Fourth Proportional to 18,403,480.20, 27,605,220.30 and 6,286,625.40

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Solution

The fourth proportional to 18,403,480.20, 27,605,220.30 and 6,286,625.40 is: 9,429,938.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,403,480.20 : 27,605,220.30 = 6,286,625.40 : x
  2. Step 2: Convert to fraction form
    18,403,480.20/27,605,220.30 = 6,286,625.40/x
  3. Step 3: Cross multiply
    18,403,480.20x = 27,605,220.30 × 6,286,625.40
  4. Step 4: Simplify right side
    18,403,480.20x = 173,543,679,110,575.62
  5. Step 5: Solve for x
    x = 173,543,679,110,575.62/18,403,480.20
  6. Step 6: Final answer
    x = 9,429,938.10

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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.