Home / 14,154,658.50-21,204,938.88-11,863,815.69

Finding the Fourth Proportional to 14,154,658.50, 21,204,938.88 and 11,863,815.69

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Solution

The fourth proportional to 14,154,658.50, 21,204,938.88 and 11,863,815.69 is: 17,773,052.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,154,658.50 : 21,204,938.88 = 11,863,815.69 : x
  2. Step 2: Convert to fraction form
    14,154,658.50/21,204,938.88 = 11,863,815.69/x
  3. Step 3: Cross multiply
    14,154,658.50x = 21,204,938.88 × 11,863,815.69
  4. Step 4: Simplify right side
    14,154,658.50x = 251,571,486,590,035
  5. Step 5: Solve for x
    x = 251,571,486,590,035/14,154,658.50
  6. Step 6: Final answer
    x = 17,773,052.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.