Home / 21,485,990.52-32,232,972.96-7,109,182.26

Finding the Fourth Proportional to 21,485,990.52, 32,232,972.96 and 7,109,182.26

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Solution

The fourth proportional to 21,485,990.52, 32,232,972.96 and 7,109,182.26 is: 10,665,092.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,485,990.52 : 32,232,972.96 = 7,109,182.26 : x
  2. Step 2: Convert to fraction form
    21,485,990.52/32,232,972.96 = 7,109,182.26/x
  3. Step 3: Cross multiply
    21,485,990.52x = 32,232,972.96 × 7,109,182.26
  4. Step 4: Simplify right side
    21,485,990.52x = 229,150,079,554,291.69
  5. Step 5: Solve for x
    x = 229,150,079,554,291.69/21,485,990.52
  6. Step 6: Final answer
    x = 10,665,092.65

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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.