Home / 39,366,362.88-54,325,614.60-21,962,710.78

Finding the Fourth Proportional to 39,366,362.88, 54,325,614.60 and 21,962,710.78

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Solution

The fourth proportional to 39,366,362.88, 54,325,614.60 and 21,962,710.78 is: 30,308,559.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,366,362.88 : 54,325,614.60 = 21,962,710.78 : x
  2. Step 2: Convert to fraction form
    39,366,362.88/54,325,614.60 = 21,962,710.78/x
  3. Step 3: Cross multiply
    39,366,362.88x = 54,325,614.60 × 21,962,710.78
  4. Step 4: Simplify right side
    39,366,362.88x = 1,193,137,761,269,731.50
  5. Step 5: Solve for x
    x = 1,193,137,761,269,731.50/39,366,362.88
  6. Step 6: Final answer
    x = 30,308,559.74

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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.