Home / 14,482,381.89-19,982,241.50-8,202,963.61

Finding the Fourth Proportional to 14,482,381.89, 19,982,241.50 and 8,202,963.61

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Solution

The fourth proportional to 14,482,381.89, 19,982,241.50 and 8,202,963.61 is: 11,318,138.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,482,381.89 : 19,982,241.50 = 8,202,963.61 : x
  2. Step 2: Convert to fraction form
    14,482,381.89/19,982,241.50 = 8,202,963.61/x
  3. Step 3: Cross multiply
    14,482,381.89x = 19,982,241.50 × 8,202,963.61
  4. Step 4: Simplify right side
    14,482,381.89x = 163,913,599,870,731.81
  5. Step 5: Solve for x
    x = 163,913,599,870,731.81/14,482,381.89
  6. Step 6: Final answer
    x = 11,318,138.21

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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.