Home / 21,611,387.78-32,419,351.98-7,039,442.85

Finding the Fourth Proportional to 21,611,387.78, 32,419,351.98 and 7,039,442.85

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Solution

The fourth proportional to 21,611,387.78, 32,419,351.98 and 7,039,442.85 is: 10,559,903.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,611,387.78 : 32,419,351.98 = 7,039,442.85 : x
  2. Step 2: Convert to fraction form
    21,611,387.78/32,419,351.98 = 7,039,442.85/x
  3. Step 3: Cross multiply
    21,611,387.78x = 32,419,351.98 × 7,039,442.85
  4. Step 4: Simplify right side
    21,611,387.78x = 228,214,175,497,244.34
  5. Step 5: Solve for x
    x = 228,214,175,497,244.34/21,611,387.78
  6. Step 6: Final answer
    x = 10,559,903.78

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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.