Home / 10,002,968.28-13,804,162.49-5,419,289.66

Finding the Fourth Proportional to 10,002,968.28, 13,804,162.49 and 5,419,289.66

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Solution

The fourth proportional to 10,002,968.28, 13,804,162.49 and 5,419,289.66 is: 7,478,655.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,002,968.28 : 13,804,162.49 = 5,419,289.66 : x
  2. Step 2: Convert to fraction form
    10,002,968.28/13,804,162.49 = 5,419,289.66/x
  3. Step 3: Cross multiply
    10,002,968.28x = 13,804,162.49 × 5,419,289.66
  4. Step 4: Simplify right side
    10,002,968.28x = 74,808,754,991,544.27
  5. Step 5: Solve for x
    x = 74,808,754,991,544.27/10,002,968.28
  6. Step 6: Final answer
    x = 7,478,655.62

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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.