Home / 40,880,310.40-61,268,366.40-21,720,246.40

Finding the Fourth Proportional to 40,880,310.40, 61,268,366.40 and 21,720,246.40

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Solution

The fourth proportional to 40,880,310.40, 61,268,366.40 and 21,720,246.40 is: 32,552,688.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,880,310.40 : 61,268,366.40 = 21,720,246.40 : x
  2. Step 2: Convert to fraction form
    40,880,310.40/61,268,366.40 = 21,720,246.40/x
  3. Step 3: Cross multiply
    40,880,310.40x = 61,268,366.40 × 21,720,246.40
  4. Step 4: Simplify right side
    40,880,310.40x = 1,330,764,014,733,480.75
  5. Step 5: Solve for x
    x = 1,330,764,014,733,480.75/40,880,310.40
  6. Step 6: Final answer
    x = 32,552,688.61

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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.