Home / 15,034,035.79-20,746,982.96-8,158,517.92

Finding the Fourth Proportional to 15,034,035.79, 20,746,982.96 and 8,158,517.92

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Solution

The fourth proportional to 15,034,035.79, 20,746,982.96 and 8,158,517.92 is: 11,258,762.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,034,035.79 : 20,746,982.96 = 8,158,517.92 : x
  2. Step 2: Convert to fraction form
    15,034,035.79/20,746,982.96 = 8,158,517.92/x
  3. Step 3: Cross multiply
    15,034,035.79x = 20,746,982.96 × 8,158,517.92
  4. Step 4: Simplify right side
    15,034,035.79x = 169,264,632,265,094.66
  5. Step 5: Solve for x
    x = 169,264,632,265,094.66/15,034,035.79
  6. Step 6: Final answer
    x = 11,258,762.09

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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.