Home / 8,058,540.80-12,087,811.20-7,113,756.80

Finding the Fourth Proportional to 8,058,540.80, 12,087,811.20 and 7,113,756.80

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Solution

The fourth proportional to 8,058,540.80, 12,087,811.20 and 7,113,756.80 is: 10,670,635.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,058,540.80 : 12,087,811.20 = 7,113,756.80 : x
  2. Step 2: Convert to fraction form
    8,058,540.80/12,087,811.20 = 7,113,756.80/x
  3. Step 3: Cross multiply
    8,058,540.80x = 12,087,811.20 × 7,113,756.80
  4. Step 4: Simplify right side
    8,058,540.80x = 85,989,749,121,116.16
  5. Step 5: Solve for x
    x = 85,989,749,121,116.16/8,058,540.80
  6. Step 6: Final answer
    x = 10,670,635.20

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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.