Home / 14,045,018.78-21,067,528.14-3,407,450.78

Finding the Fourth Proportional to 14,045,018.78, 21,067,528.14 and 3,407,450.78

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Solution

The fourth proportional to 14,045,018.78, 21,067,528.14 and 3,407,450.78 is: 5,111,176.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,045,018.78 : 21,067,528.14 = 3,407,450.78 : x
  2. Step 2: Convert to fraction form
    14,045,018.78/21,067,528.14 = 3,407,450.78/x
  3. Step 3: Cross multiply
    14,045,018.78x = 21,067,528.14 × 3,407,450.78
  4. Step 4: Simplify right side
    14,045,018.78x = 71,786,565,193,314.95
  5. Step 5: Solve for x
    x = 71,786,565,193,314.95/14,045,018.78
  6. Step 6: Final answer
    x = 5,111,176.16

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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.