Home / 28,866,420.78-39,835,658.40-17,263,984.02

Finding the Fourth Proportional to 28,866,420.78, 39,835,658.40 and 17,263,984.02

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Solution

The fourth proportional to 28,866,420.78, 39,835,658.40 and 17,263,984.02 is: 23,824,296.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,866,420.78 : 39,835,658.40 = 17,263,984.02 : x
  2. Step 2: Convert to fraction form
    28,866,420.78/39,835,658.40 = 17,263,984.02/x
  3. Step 3: Cross multiply
    28,866,420.78x = 39,835,658.40 × 17,263,984.02
  4. Step 4: Simplify right side
    28,866,420.78x = 687,722,170,043,778.75
  5. Step 5: Solve for x
    x = 687,722,170,043,778.75/28,866,420.78
  6. Step 6: Final answer
    x = 23,824,296.59

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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.