Home / 13,608,477-20,405,628.18-6,418,080.18

Finding the Fourth Proportional to 13,608,477, 20,405,628.18 and 6,418,080.18

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Solution

The fourth proportional to 13,608,477, 20,405,628.18 and 6,418,080.18 is: 9,623,777.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608,477 : 20,405,628.18 = 6,418,080.18 : x
  2. Step 2: Convert to fraction form
    13,608,477/20,405,628.18 = 6,418,080.18/x
  3. Step 3: Cross multiply
    13,608,477x = 20,405,628.18 × 6,418,080.18
  4. Step 4: Simplify right side
    13,608,477x = 130,964,957,782,507.47
  5. Step 5: Solve for x
    x = 130,964,957,782,507.47/13,608,477
  6. Step 6: Final answer
    x = 9,623,777.72

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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.