Home / 18,146,138.40-27,219,207.60-16,466,522.40

Finding the Fourth Proportional to 18,146,138.40, 27,219,207.60 and 16,466,522.40

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Solution

The fourth proportional to 18,146,138.40, 27,219,207.60 and 16,466,522.40 is: 24,699,783.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,146,138.40 : 27,219,207.60 = 16,466,522.40 : x
  2. Step 2: Convert to fraction form
    18,146,138.40/27,219,207.60 = 16,466,522.40/x
  3. Step 3: Cross multiply
    18,146,138.40x = 27,219,207.60 × 16,466,522.40
  4. Step 4: Simplify right side
    18,146,138.40x = 448,205,691,655,650.25
  5. Step 5: Solve for x
    x = 448,205,691,655,650.25/18,146,138.40
  6. Step 6: Final answer
    x = 24,699,783.60

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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.