Home / 10,373,081.60-15,559,622.40-7,343,867.90

Finding the Fourth Proportional to 10,373,081.60, 15,559,622.40 and 7,343,867.90

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Solution

The fourth proportional to 10,373,081.60, 15,559,622.40 and 7,343,867.90 is: 11,015,801.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,373,081.60 : 15,559,622.40 = 7,343,867.90 : x
  2. Step 2: Convert to fraction form
    10,373,081.60/15,559,622.40 = 7,343,867.90/x
  3. Step 3: Cross multiply
    10,373,081.60x = 15,559,622.40 × 7,343,867.90
  4. Step 4: Simplify right side
    10,373,081.60x = 114,267,811,479,480.97
  5. Step 5: Solve for x
    x = 114,267,811,479,480.97/10,373,081.60
  6. Step 6: Final answer
    x = 11,015,801.85

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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.