Home / 21,485,872-32,229,697.38-6,339,803.50

Finding the Fourth Proportional to 21,485,872, 32,229,697.38 and 6,339,803.50

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Solution

The fourth proportional to 21,485,872, 32,229,697.38 and 6,339,803.50 is: 9,509,967.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,485,872 : 32,229,697.38 = 6,339,803.50 : x
  2. Step 2: Convert to fraction form
    21,485,872/32,229,697.38 = 6,339,803.50/x
  3. Step 3: Cross multiply
    21,485,872x = 32,229,697.38 × 6,339,803.50
  4. Step 4: Simplify right side
    21,485,872x = 204,329,948,253,664.81
  5. Step 5: Solve for x
    x = 204,329,948,253,664.81/21,485,872
  6. Step 6: Final answer
    x = 9,509,967.68

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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.