Home / 8,374,934.40-12,562,401.60-7,004,997.60

Finding the Fourth Proportional to 8,374,934.40, 12,562,401.60 and 7,004,997.60

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Solution

The fourth proportional to 8,374,934.40, 12,562,401.60 and 7,004,997.60 is: 10,507,496.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,374,934.40 : 12,562,401.60 = 7,004,997.60 : x
  2. Step 2: Convert to fraction form
    8,374,934.40/12,562,401.60 = 7,004,997.60/x
  3. Step 3: Cross multiply
    8,374,934.40x = 12,562,401.60 × 7,004,997.60
  4. Step 4: Simplify right side
    8,374,934.40x = 87,999,593,058,236.16
  5. Step 5: Solve for x
    x = 87,999,593,058,236.16/8,374,934.40
  6. Step 6: Final answer
    x = 10,507,496.40

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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.