Home / 39,371,946.72-54,333,436.68-21,969,025.44

Finding the Fourth Proportional to 39,371,946.72, 54,333,436.68 and 21,969,025.44

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Solution

The fourth proportional to 39,371,946.72, 54,333,436.68 and 21,969,025.44 is: 30,317,338.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,371,946.72 : 54,333,436.68 = 21,969,025.44 : x
  2. Step 2: Convert to fraction form
    39,371,946.72/54,333,436.68 = 21,969,025.44/x
  3. Step 3: Cross multiply
    39,371,946.72x = 54,333,436.68 × 21,969,025.44
  4. Step 4: Simplify right side
    39,371,946.72x = 1,193,652,652,665,549.25
  5. Step 5: Solve for x
    x = 1,193,652,652,665,549.25/39,371,946.72
  6. Step 6: Final answer
    x = 30,317,338.92

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1.5x scale

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.