Home / 12,223,929-16,869,546.90-6,791,421

Finding the Fourth Proportional to 12,223,929, 16,869,546.90 and 6,791,421

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Solution

The fourth proportional to 12,223,929, 16,869,546.90 and 6,791,421 is: 9,372,452.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,223,929 : 16,869,546.90 = 6,791,421 : x
  2. Step 2: Convert to fraction form
    12,223,929/16,869,546.90 = 6,791,421/x
  3. Step 3: Cross multiply
    12,223,929x = 16,869,546.90 × 6,791,421
  4. Step 4: Simplify right side
    12,223,929x = 114,568,195,077,144.89
  5. Step 5: Solve for x
    x = 114,568,195,077,144.89/12,223,929
  6. Step 6: Final answer
    x = 9,372,452.59

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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.