Home / 12,646,590.33-18,971,868.38-4,124,959.41

Finding the Fourth Proportional to 12,646,590.33, 18,971,868.38 and 4,124,959.41

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Solution

The fourth proportional to 12,646,590.33, 18,971,868.38 and 4,124,959.41 is: 6,188,085.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,646,590.33 : 18,971,868.38 = 4,124,959.41 : x
  2. Step 2: Convert to fraction form
    12,646,590.33/18,971,868.38 = 4,124,959.41/x
  3. Step 3: Cross multiply
    12,646,590.33x = 18,971,868.38 × 4,124,959.41
  4. Step 4: Simplify right side
    12,646,590.33x = 78,258,186,978,737.66
  5. Step 5: Solve for x
    x = 78,258,186,978,737.66/12,646,590.33
  6. Step 6: Final answer
    x = 6,188,085.87

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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.