Home / 39,249,573.06-54,163,420.82-21,608,299.54

Finding the Fourth Proportional to 39,249,573.06, 54,163,420.82 and 21,608,299.54

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Solution

The fourth proportional to 39,249,573.06, 54,163,420.82 and 21,608,299.54 is: 29,818,908.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,249,573.06 : 54,163,420.82 = 21,608,299.54 : x
  2. Step 2: Convert to fraction form
    39,249,573.06/54,163,420.82 = 21,608,299.54/x
  3. Step 3: Cross multiply
    39,249,573.06x = 54,163,420.82 × 21,608,299.54
  4. Step 4: Simplify right side
    39,249,573.06x = 1,170,379,420,810,773.75
  5. Step 5: Solve for x
    x = 1,170,379,420,810,773.75/39,249,573.06
  6. Step 6: Final answer
    x = 29,818,908.33

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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.