Home / 18,855,652.79-28,271,904.11-7,327,659.69

Finding the Fourth Proportional to 18,855,652.79, 28,271,904.11 and 7,327,659.69

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Solution

The fourth proportional to 18,855,652.79, 28,271,904.11 and 7,327,659.69 is: 10,986,991.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,855,652.79 : 28,271,904.11 = 7,327,659.69 : x
  2. Step 2: Convert to fraction form
    18,855,652.79/28,271,904.11 = 7,327,659.69/x
  3. Step 3: Cross multiply
    18,855,652.79x = 28,271,904.11 × 7,327,659.69
  4. Step 4: Simplify right side
    18,855,652.79x = 207,166,892,097,232.78
  5. Step 5: Solve for x
    x = 207,166,892,097,232.78/18,855,652.79
  6. Step 6: Final answer
    x = 10,986,991.24

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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.