Home / 20,030,805.77-30,030,512.27-7,909,342.27

Finding the Fourth Proportional to 20,030,805.77, 30,030,512.27 and 7,909,342.27

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Solution

The fourth proportional to 20,030,805.77, 30,030,512.27 and 7,909,342.27 is: 11,857,815.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,030,805.77 : 30,030,512.27 = 7,909,342.27 : x
  2. Step 2: Convert to fraction form
    20,030,805.77/30,030,512.27 = 7,909,342.27/x
  3. Step 3: Cross multiply
    20,030,805.77x = 30,030,512.27 × 7,909,342.27
  4. Step 4: Simplify right side
    20,030,805.77x = 237,521,599,972,241.66
  5. Step 5: Solve for x
    x = 237,521,599,972,241.66/20,030,805.77
  6. Step 6: Final answer
    x = 11,857,815.54

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1.5x scale

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.