Home / 13,306,521.70-19,960,438.65-6,929,229.70

Finding the Fourth Proportional to 13,306,521.70, 19,960,438.65 and 6,929,229.70

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Solution

The fourth proportional to 13,306,521.70, 19,960,438.65 and 6,929,229.70 is: 10,394,186.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306,521.70 : 19,960,438.65 = 6,929,229.70 : x
  2. Step 2: Convert to fraction form
    13,306,521.70/19,960,438.65 = 6,929,229.70/x
  3. Step 3: Cross multiply
    13,306,521.70x = 19,960,438.65 × 6,929,229.70
  4. Step 4: Simplify right side
    13,306,521.70x = 138,310,464,318,607.89
  5. Step 5: Solve for x
    x = 138,310,464,318,607.89/13,306,521.70
  6. Step 6: Final answer
    x = 10,394,186.21

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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.