Home / 11,971,772.15-16,521,045.52-6,465,146.70

Finding the Fourth Proportional to 11,971,772.15, 16,521,045.52 and 6,465,146.70

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Solution

The fourth proportional to 11,971,772.15, 16,521,045.52 and 6,465,146.70 is: 8,921,902.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,971,772.15 : 16,521,045.52 = 6,465,146.70 : x
  2. Step 2: Convert to fraction form
    11,971,772.15/16,521,045.52 = 6,465,146.70/x
  3. Step 3: Cross multiply
    11,971,772.15x = 16,521,045.52 × 6,465,146.70
  4. Step 4: Simplify right side
    11,971,772.15x = 106,810,982,847,736.80
  5. Step 5: Solve for x
    x = 106,810,982,847,736.80/11,971,772.15
  6. Step 6: Final answer
    x = 8,921,902.42

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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.