Home / 28,255,079.80-42,288,141.30-19,752,023.80

Finding the Fourth Proportional to 28,255,079.80, 42,288,141.30 and 19,752,023.80

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Solution

The fourth proportional to 28,255,079.80, 42,288,141.30 and 19,752,023.80 is: 29,561,989.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,255,079.80 : 42,288,141.30 = 19,752,023.80 : x
  2. Step 2: Convert to fraction form
    28,255,079.80/42,288,141.30 = 19,752,023.80/x
  3. Step 3: Cross multiply
    28,255,079.80x = 42,288,141.30 × 19,752,023.80
  4. Step 4: Simplify right side
    28,255,079.80x = 835,276,373,415,362.88
  5. Step 5: Solve for x
    x = 835,276,373,415,362.88/28,255,079.80
  6. Step 6: Final answer
    x = 29,561,989.54

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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.