Home / 10,931,408.10-16,397,112.15-9,230,796.90

Finding the Fourth Proportional to 10,931,408.10, 16,397,112.15 and 9,230,796.90

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Solution

The fourth proportional to 10,931,408.10, 16,397,112.15 and 9,230,796.90 is: 13,846,195.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,931,408.10 : 16,397,112.15 = 9,230,796.90 : x
  2. Step 2: Convert to fraction form
    10,931,408.10/16,397,112.15 = 9,230,796.90/x
  3. Step 3: Cross multiply
    10,931,408.10x = 16,397,112.15 × 9,230,796.90
  4. Step 4: Simplify right side
    10,931,408.10x = 151,358,412,003,172.34
  5. Step 5: Solve for x
    x = 151,358,412,003,172.34/10,931,408.10
  6. Step 6: Final answer
    x = 13,846,195.35

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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.