Home / 9,021,408.30-13,532,112.45-7,108,220.70

Finding the Fourth Proportional to 9,021,408.30, 13,532,112.45 and 7,108,220.70

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Solution

The fourth proportional to 9,021,408.30, 13,532,112.45 and 7,108,220.70 is: 10,662,331.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021,408.30 : 13,532,112.45 = 7,108,220.70 : x
  2. Step 2: Convert to fraction form
    9,021,408.30/13,532,112.45 = 7,108,220.70/x
  3. Step 3: Cross multiply
    9,021,408.30x = 13,532,112.45 × 7,108,220.70
  4. Step 4: Simplify right side
    9,021,408.30x = 96,189,241,831,817.72
  5. Step 5: Solve for x
    x = 96,189,241,831,817.72/9,021,408.30
  6. Step 6: Final answer
    x = 10,662,331.05

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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.