Home / 43,704,713.70-65,557,070.55-13,408,640.10

Finding the Fourth Proportional to 43,704,713.70, 65,557,070.55 and 13,408,640.10

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Solution

The fourth proportional to 43,704,713.70, 65,557,070.55 and 13,408,640.10 is: 20,112,960.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,704,713.70 : 65,557,070.55 = 13,408,640.10 : x
  2. Step 2: Convert to fraction form
    43,704,713.70/65,557,070.55 = 13,408,640.10/x
  3. Step 3: Cross multiply
    43,704,713.70x = 65,557,070.55 × 13,408,640.10
  4. Step 4: Simplify right side
    43,704,713.70x = 879,031,165,015,259
  5. Step 5: Solve for x
    x = 879,031,165,015,259/43,704,713.70
  6. Step 6: Final answer
    x = 20,112,960.15

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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.