Home / 18,612,666.30-27,918,999.45-12,242,567.10

Finding the Fourth Proportional to 18,612,666.30, 27,918,999.45 and 12,242,567.10

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Solution

The fourth proportional to 18,612,666.30, 27,918,999.45 and 12,242,567.10 is: 18,363,850.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,612,666.30 : 27,918,999.45 = 12,242,567.10 : x
  2. Step 2: Convert to fraction form
    18,612,666.30/27,918,999.45 = 12,242,567.10/x
  3. Step 3: Cross multiply
    18,612,666.30x = 27,918,999.45 × 12,242,567.10
  4. Step 4: Simplify right side
    18,612,666.30x = 341,800,224,131,488.06
  5. Step 5: Solve for x
    x = 341,800,224,131,488.06/18,612,666.30
  6. Step 6: Final answer
    x = 18,363,850.65

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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.