Home / 40,419,107.40-60,666,714.90-21,263,611.80

Finding the Fourth Proportional to 40,419,107.40, 60,666,714.90 and 21,263,611.80

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Solution

The fourth proportional to 40,419,107.40, 60,666,714.90 and 21,263,611.80 is: 31,915,436.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,419,107.40 : 60,666,714.90 = 21,263,611.80 : x
  2. Step 2: Convert to fraction form
    40,419,107.40/60,666,714.90 = 21,263,611.80/x
  3. Step 3: Cross multiply
    40,419,107.40x = 60,666,714.90 × 21,263,611.80
  4. Step 4: Simplify right side
    40,419,107.40x = 1,289,993,474,814,875.75
  5. Step 5: Solve for x
    x = 1,289,993,474,814,875.75/40,419,107.40
  6. Step 6: Final answer
    x = 31,915,436.98

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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.