Home / 12,223,928-16,869,545.52-6,791,420

Finding the Fourth Proportional to 12,223,928, 16,869,545.52 and 6,791,420

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Solution

The fourth proportional to 12,223,928, 16,869,545.52 and 6,791,420 is: 9,372,451.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,223,928 : 16,869,545.52 = 6,791,420 : x
  2. Step 2: Convert to fraction form
    12,223,928/16,869,545.52 = 6,791,420/x
  3. Step 3: Cross multiply
    12,223,928x = 16,869,545.52 × 6,791,420
  4. Step 4: Simplify right side
    12,223,928x = 114,568,168,835,438.39
  5. Step 5: Solve for x
    x = 114,568,168,835,438.39/12,223,928
  6. Step 6: Final answer
    x = 9,372,451.21

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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.