Home / 19,172,463.75-28,759,286.12-8,384,211.45

Finding the Fourth Proportional to 19,172,463.75, 28,759,286.12 and 8,384,211.45

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Solution

The fourth proportional to 19,172,463.75, 28,759,286.12 and 8,384,211.45 is: 12,576,575.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,172,463.75 : 28,759,286.12 = 8,384,211.45 : x
  2. Step 2: Convert to fraction form
    19,172,463.75/28,759,286.12 = 8,384,211.45/x
  3. Step 3: Cross multiply
    19,172,463.75x = 28,759,286.12 × 8,384,211.45
  4. Step 4: Simplify right side
    19,172,463.75x = 241,123,935,939,209
  5. Step 5: Solve for x
    x = 241,123,935,939,209/19,172,463.75
  6. Step 6: Final answer
    x = 12,576,575.40

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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.