Home / 21,666,893.90-32,479,996.28-7,279,900.29

Finding the Fourth Proportional to 21,666,893.90, 32,479,996.28 and 7,279,900.29

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Solution

The fourth proportional to 21,666,893.90, 32,479,996.28 and 7,279,900.29 is: 10,913,014.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,666,893.90 : 32,479,996.28 = 7,279,900.29 : x
  2. Step 2: Convert to fraction form
    21,666,893.90/32,479,996.28 = 7,279,900.29/x
  3. Step 3: Cross multiply
    21,666,893.90x = 32,479,996.28 × 7,279,900.29
  4. Step 4: Simplify right side
    21,666,893.90x = 236,451,134,301,571.41
  5. Step 5: Solve for x
    x = 236,451,134,301,571.41/21,666,893.90
  6. Step 6: Final answer
    x = 10,913,014.83

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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.