Home / 26,002,514.30-39,003,771.45-12,565,586.30

Finding the Fourth Proportional to 26,002,514.30, 39,003,771.45 and 12,565,586.30

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Solution

The fourth proportional to 26,002,514.30, 39,003,771.45 and 12,565,586.30 is: 18,848,379.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,002,514.30 : 39,003,771.45 = 12,565,586.30 : x
  2. Step 2: Convert to fraction form
    26,002,514.30/39,003,771.45 = 12,565,586.30/x
  3. Step 3: Cross multiply
    26,002,514.30x = 39,003,771.45 × 12,565,586.30
  4. Step 4: Simplify right side
    26,002,514.30x = 490,105,256,180,451.19
  5. Step 5: Solve for x
    x = 490,105,256,180,451.19/26,002,514.30
  6. Step 6: Final answer
    x = 18,848,379.45

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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.