Home / 14,131,858.20-21,229,280.10-13,557,989.40

Finding the Fourth Proportional to 14,131,858.20, 21,229,280.10 and 13,557,989.40

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Solution

The fourth proportional to 14,131,858.20, 21,229,280.10 and 13,557,989.40 is: 20,367,198.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,131,858.20 : 21,229,280.10 = 13,557,989.40 : x
  2. Step 2: Convert to fraction form
    14,131,858.20/21,229,280.10 = 13,557,989.40/x
  3. Step 3: Cross multiply
    14,131,858.20x = 21,229,280.10 × 13,557,989.40
  4. Step 4: Simplify right side
    14,131,858.20x = 287,826,354,565,430.94
  5. Step 5: Solve for x
    x = 287,826,354,565,430.94/14,131,858.20
  6. Step 6: Final answer
    x = 20,367,198.04

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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.