Home / 8,021,221.20-12,026,518.20-4,428,709.20

Finding the Fourth Proportional to 8,021,221.20, 12,026,518.20 and 4,428,709.20

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Solution

The fourth proportional to 8,021,221.20, 12,026,518.20 and 4,428,709.20 is: 6,640,130.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,021,221.20 : 12,026,518.20 = 4,428,709.20 : x
  2. Step 2: Convert to fraction form
    8,021,221.20/12,026,518.20 = 4,428,709.20/x
  3. Step 3: Cross multiply
    8,021,221.20x = 12,026,518.20 × 4,428,709.20
  4. Step 4: Simplify right side
    8,021,221.20x = 53,261,951,796,307.44
  5. Step 5: Solve for x
    x = 53,261,951,796,307.44/8,021,221.20
  6. Step 6: Final answer
    x = 6,640,130.03

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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.