Home / 21,734,721.92-29,993,281.92-12,441,983.84

Finding the Fourth Proportional to 21,734,721.92, 29,993,281.92 and 12,441,983.84

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Solution

The fourth proportional to 21,734,721.92, 29,993,281.92 and 12,441,983.84 is: 17,169,574.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,734,721.92 : 29,993,281.92 = 12,441,983.84 : x
  2. Step 2: Convert to fraction form
    21,734,721.92/29,993,281.92 = 12,441,983.84/x
  3. Step 3: Cross multiply
    21,734,721.92x = 29,993,281.92 × 12,441,983.84
  4. Step 4: Simplify right side
    21,734,721.92x = 373,175,928,957,204.19
  5. Step 5: Solve for x
    x = 373,175,928,957,204.19/21,734,721.92
  6. Step 6: Final answer
    x = 17,169,574.58

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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.