Home / 20,357,290.16-28,092,745.56-11,189,735.92

Finding the Fourth Proportional to 20,357,290.16, 28,092,745.56 and 11,189,735.92

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Solution

The fourth proportional to 20,357,290.16, 28,092,745.56 and 11,189,735.92 is: 15,441,662.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,357,290.16 : 28,092,745.56 = 11,189,735.92 : x
  2. Step 2: Convert to fraction form
    20,357,290.16/28,092,745.56 = 11,189,735.92/x
  3. Step 3: Cross multiply
    20,357,290.16x = 28,092,745.56 × 11,189,735.92
  4. Step 4: Simplify right side
    20,357,290.16x = 314,350,404,084,152.50
  5. Step 5: Solve for x
    x = 314,350,404,084,152.50/20,357,290.16
  6. Step 6: Final answer
    x = 15,441,662.50

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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.