Home / 12,787,540.40-19,180,435.80-4,151,514.80

Finding the Fourth Proportional to 12,787,540.40, 19,180,435.80 and 4,151,514.80

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Solution

The fourth proportional to 12,787,540.40, 19,180,435.80 and 4,151,514.80 is: 6,226,988.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,787,540.40 : 19,180,435.80 = 4,151,514.80 : x
  2. Step 2: Convert to fraction form
    12,787,540.40/19,180,435.80 = 4,151,514.80/x
  3. Step 3: Cross multiply
    12,787,540.40x = 19,180,435.80 × 4,151,514.80
  4. Step 4: Simplify right side
    12,787,540.40x = 79,627,863,094,149.84
  5. Step 5: Solve for x
    x = 79,627,863,094,149.84/12,787,540.40
  6. Step 6: Final answer
    x = 6,226,988.19

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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.