Home / 40,406,340.40-60,647,564.40-21,250,844.80

Finding the Fourth Proportional to 40,406,340.40, 60,647,564.40 and 21,250,844.80

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Solution

The fourth proportional to 40,406,340.40, 60,647,564.40 and 21,250,844.80 is: 31,896,280.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,406,340.40 : 60,647,564.40 = 21,250,844.80 : x
  2. Step 2: Convert to fraction form
    40,406,340.40/60,647,564.40 = 21,250,844.80/x
  3. Step 3: Cross multiply
    40,406,340.40x = 60,647,564.40 × 21,250,844.80
  4. Step 4: Simplify right side
    40,406,340.40x = 1,288,811,978,562,405.25
  5. Step 5: Solve for x
    x = 1,288,811,978,562,405.25/40,406,340.40
  6. Step 6: Final answer
    x = 31,896,280.78

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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.