Home / 39,043,859.40-58,509,801.90-28,728,217.80

Finding the Fourth Proportional to 39,043,859.40, 58,509,801.90 and 28,728,217.80

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Solution

The fourth proportional to 39,043,859.40, 58,509,801.90 and 28,728,217.80 is: 43,051,131.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,043,859.40 : 58,509,801.90 = 28,728,217.80 : x
  2. Step 2: Convert to fraction form
    39,043,859.40/58,509,801.90 = 28,728,217.80/x
  3. Step 3: Cross multiply
    39,043,859.40x = 58,509,801.90 × 28,728,217.80
  4. Step 4: Simplify right side
    39,043,859.40x = 1,680,882,332,418,053.75
  5. Step 5: Solve for x
    x = 1,680,882,332,418,053.75/39,043,859.40
  6. Step 6: Final answer
    x = 43,051,131.68

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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.