Home / 40,406,343.40-60,647,568.90-21,250,847.80

Finding the Fourth Proportional to 40,406,343.40, 60,647,568.90 and 21,250,847.80

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Solution

The fourth proportional to 40,406,343.40, 60,647,568.90 and 21,250,847.80 is: 31,896,285.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,406,343.40 : 60,647,568.90 = 21,250,847.80 : x
  2. Step 2: Convert to fraction form
    40,406,343.40/60,647,568.90 = 21,250,847.80/x
  3. Step 3: Cross multiply
    40,406,343.40x = 60,647,568.90 × 21,250,847.80
  4. Step 4: Simplify right side
    40,406,343.40x = 1,288,812,256,133,913.50
  5. Step 5: Solve for x
    x = 1,288,812,256,133,913.50/40,406,343.40
  6. Step 6: Final answer
    x = 31,896,285.28

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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.