Home / 19,051,043.20-28,579,713.60-8,826,121.60

Finding the Fourth Proportional to 19,051,043.20, 28,579,713.60 and 8,826,121.60

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Solution

The fourth proportional to 19,051,043.20, 28,579,713.60 and 8,826,121.60 is: 13,240,641.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,051,043.20 : 28,579,713.60 = 8,826,121.60 : x
  2. Step 2: Convert to fraction form
    19,051,043.20/28,579,713.60 = 8,826,121.60/x
  3. Step 3: Cross multiply
    19,051,043.20x = 28,579,713.60 × 8,826,121.60
  4. Step 4: Simplify right side
    19,051,043.20x = 252,248,027,526,773.75
  5. Step 5: Solve for x
    x = 252,248,027,526,773.75/19,051,043.20
  6. Step 6: Final answer
    x = 13,240,641.20

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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.