Home / 21,809,520.45-32,714,619.76-6,458,362.85

Finding the Fourth Proportional to 21,809,520.45, 32,714,619.76 and 6,458,362.85

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Solution

The fourth proportional to 21,809,520.45, 32,714,619.76 and 6,458,362.85 is: 9,687,644.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,809,520.45 : 32,714,619.76 = 6,458,362.85 : x
  2. Step 2: Convert to fraction form
    21,809,520.45/32,714,619.76 = 6,458,362.85/x
  3. Step 3: Cross multiply
    21,809,520.45x = 32,714,619.76 × 6,458,362.85
  4. Step 4: Simplify right side
    21,809,520.45x = 211,282,884,909,859.91
  5. Step 5: Solve for x
    x = 211,282,884,909,859.91/21,809,520.45
  6. Step 6: Final answer
    x = 9,687,644.69

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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.