Home / 21,611,390.78-32,419,356.48-7,039,445.85

Finding the Fourth Proportional to 21,611,390.78, 32,419,356.48 and 7,039,445.85

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Solution

The fourth proportional to 21,611,390.78, 32,419,356.48 and 7,039,445.85 is: 10,559,908.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,611,390.78 : 32,419,356.48 = 7,039,445.85 : x
  2. Step 2: Convert to fraction form
    21,611,390.78/32,419,356.48 = 7,039,445.85/x
  3. Step 3: Cross multiply
    21,611,390.78x = 32,419,356.48 × 7,039,445.85
  4. Step 4: Simplify right side
    21,611,390.78x = 228,214,304,432,806.59
  5. Step 5: Solve for x
    x = 228,214,304,432,806.59/21,611,390.78
  6. Step 6: Final answer
    x = 10,559,908.28

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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.