Home / 13,286,026.80-19,929,040.20-4,310,578.80

Finding the Fourth Proportional to 13,286,026.80, 19,929,040.20 and 4,310,578.80

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Solution

The fourth proportional to 13,286,026.80, 19,929,040.20 and 4,310,578.80 is: 6,465,868.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,286,026.80 : 19,929,040.20 = 4,310,578.80 : x
  2. Step 2: Convert to fraction form
    13,286,026.80/19,929,040.20 = 4,310,578.80/x
  3. Step 3: Cross multiply
    13,286,026.80x = 19,929,040.20 × 4,310,578.80
  4. Step 4: Simplify right side
    13,286,026.80x = 85,905,698,190,467.75
  5. Step 5: Solve for x
    x = 85,905,698,190,467.75/13,286,026.80
  6. Step 6: Final answer
    x = 6,465,868.20

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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.