Home / 28,213,728.84-38,935,372.41-15,826,568.13

Finding the Fourth Proportional to 28,213,728.84, 38,935,372.41 and 15,826,568.13

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Solution

The fourth proportional to 28,213,728.84, 38,935,372.41 and 15,826,568.13 is: 21,840,903.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,213,728.84 : 38,935,372.41 = 15,826,568.13 : x
  2. Step 2: Convert to fraction form
    28,213,728.84/38,935,372.41 = 15,826,568.13/x
  3. Step 3: Cross multiply
    28,213,728.84x = 38,935,372.41 × 15,826,568.13
  4. Step 4: Simplify right side
    28,213,728.84x = 616,213,324,113,787.25
  5. Step 5: Solve for x
    x = 616,213,324,113,787.25/28,213,728.84
  6. Step 6: Final answer
    x = 21,840,903.33

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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.