Home / 28,865,608.88-39,825,167.62-19,682,308.40

Finding the Fourth Proportional to 28,865,608.88, 39,825,167.62 and 19,682,308.40

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Solution

The fourth proportional to 28,865,608.88, 39,825,167.62 and 19,682,308.40 is: 27,155,194.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,865,608.88 : 39,825,167.62 = 19,682,308.40 : x
  2. Step 2: Convert to fraction form
    28,865,608.88/39,825,167.62 = 19,682,308.40/x
  3. Step 3: Cross multiply
    28,865,608.88x = 39,825,167.62 × 19,682,308.40
  4. Step 4: Simplify right side
    28,865,608.88x = 783,851,231,178,533.88
  5. Step 5: Solve for x
    x = 783,851,231,178,533.88/28,865,608.88
  6. Step 6: Final answer
    x = 27,155,194.77

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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.