Home / 18,145,657.90-27,218,486.85-8,048,278.90

Finding the Fourth Proportional to 18,145,657.90, 27,218,486.85 and 8,048,278.90

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Solution

The fourth proportional to 18,145,657.90, 27,218,486.85 and 8,048,278.90 is: 12,072,418.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145,657.90 : 27,218,486.85 = 8,048,278.90 : x
  2. Step 2: Convert to fraction form
    18,145,657.90/27,218,486.85 = 8,048,278.90/x
  3. Step 3: Cross multiply
    18,145,657.90x = 27,218,486.85 × 8,048,278.90
  4. Step 4: Simplify right side
    18,145,657.90x = 219,061,973,404,782.50
  5. Step 5: Solve for x
    x = 219,061,973,404,782.50/18,145,657.90
  6. Step 6: Final answer
    x = 12,072,418.35

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Double scale
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Similar ratio
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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.