Home / 10,629,687.60-15,946,864.20-5,240,919.60

Finding the Fourth Proportional to 10,629,687.60, 15,946,864.20 and 5,240,919.60

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Solution

The fourth proportional to 10,629,687.60, 15,946,864.20 and 5,240,919.60 is: 7,862,529.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,629,687.60 : 15,946,864.20 = 5,240,919.60 : x
  2. Step 2: Convert to fraction form
    10,629,687.60/15,946,864.20 = 5,240,919.60/x
  3. Step 3: Cross multiply
    10,629,687.60x = 15,946,864.20 × 5,240,919.60
  4. Step 4: Simplify right side
    10,629,687.60x = 83,576,233,144,318.31
  5. Step 5: Solve for x
    x = 83,576,233,144,318.31/10,629,687.60
  6. Step 6: Final answer
    x = 7,862,529.58

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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.