Home / 28,700,463.48-39,606,628.23-15,647,733.06

Finding the Fourth Proportional to 28,700,463.48, 39,606,628.23 and 15,647,733.06

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Solution

The fourth proportional to 28,700,463.48, 39,606,628.23 and 15,647,733.06 is: 21,593,865.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,700,463.48 : 39,606,628.23 = 15,647,733.06 : x
  2. Step 2: Convert to fraction form
    28,700,463.48/39,606,628.23 = 15,647,733.06/x
  3. Step 3: Cross multiply
    28,700,463.48x = 39,606,628.23 × 15,647,733.06
  4. Step 4: Simplify right side
    28,700,463.48x = 619,753,945,949,700.25
  5. Step 5: Solve for x
    x = 619,753,945,949,700.25/28,700,463.48
  6. Step 6: Final answer
    x = 21,593,865.42

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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.