Home / 15,034,035.54-20,746,982.61-8,158,517.67

Finding the Fourth Proportional to 15,034,035.54, 20,746,982.61 and 8,158,517.67

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Solution

The fourth proportional to 15,034,035.54, 20,746,982.61 and 8,158,517.67 is: 11,258,761.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,034,035.54 : 20,746,982.61 = 8,158,517.67 : x
  2. Step 2: Convert to fraction form
    15,034,035.54/20,746,982.61 = 8,158,517.67/x
  3. Step 3: Cross multiply
    15,034,035.54x = 20,746,982.61 × 8,158,517.67
  4. Step 4: Simplify right side
    15,034,035.54x = 169,264,624,222,867.72
  5. Step 5: Solve for x
    x = 169,264,624,222,867.72/15,034,035.54
  6. Step 6: Final answer
    x = 11,258,761.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.