Home / 15,896,564.97-21,937,788.90-8,928,468.56

Finding the Fourth Proportional to 15,896,564.97, 21,937,788.90 and 8,928,468.56

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Solution

The fourth proportional to 15,896,564.97, 21,937,788.90 and 8,928,468.56 is: 12,321,583.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,896,564.97 : 21,937,788.90 = 8,928,468.56 : x
  2. Step 2: Convert to fraction form
    15,896,564.97/21,937,788.90 = 8,928,468.56/x
  3. Step 3: Cross multiply
    15,896,564.97x = 21,937,788.90 × 8,928,468.56
  4. Step 4: Simplify right side
    15,896,564.97x = 195,870,858,359,878.03
  5. Step 5: Solve for x
    x = 195,870,858,359,878.03/15,896,564.97
  6. Step 6: Final answer
    x = 12,321,583.86

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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.