Home / 43,494,643.71-65,198,870.96-20,424,280

Finding the Fourth Proportional to 43,494,643.71, 65,198,870.96 and 20,424,280

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Solution

The fourth proportional to 43,494,643.71, 65,198,870.96 and 20,424,280 is: 30,616,183.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,494,643.71 : 65,198,870.96 = 20,424,280 : x
  2. Step 2: Convert to fraction form
    43,494,643.71/65,198,870.96 = 20,424,280/x
  3. Step 3: Cross multiply
    43,494,643.71x = 65,198,870.96 × 20,424,280
  4. Step 4: Simplify right side
    43,494,643.71x = 1,331,639,996,170,908.75
  5. Step 5: Solve for x
    x = 1,331,639,996,170,908.75/43,494,643.71
  6. Step 6: Final answer
    x = 30,616,183.57

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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.