Home / 39,593,880.92-54,641,697.18-22,195,814.78

Finding the Fourth Proportional to 39,593,880.92, 54,641,697.18 and 22,195,814.78

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Solution

The fourth proportional to 39,593,880.92, 54,641,697.18 and 22,195,814.78 is: 30,631,424.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,593,880.92 : 54,641,697.18 = 22,195,814.78 : x
  2. Step 2: Convert to fraction form
    39,593,880.92/54,641,697.18 = 22,195,814.78/x
  3. Step 3: Cross multiply
    39,593,880.92x = 54,641,697.18 × 22,195,814.78
  4. Step 4: Simplify right side
    39,593,880.92x = 1,212,816,989,872,128.50
  5. Step 5: Solve for x
    x = 1,212,816,989,872,128.50/39,593,880.92
  6. Step 6: Final answer
    x = 30,631,424.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.