Home / 20,223,966.86-27,909,200.78-10,931,517.75

Finding the Fourth Proportional to 20,223,966.86, 27,909,200.78 and 10,931,517.75

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Solution

The fourth proportional to 20,223,966.86, 27,909,200.78 and 10,931,517.75 is: 15,085,562.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,223,966.86 : 27,909,200.78 = 10,931,517.75 : x
  2. Step 2: Convert to fraction form
    20,223,966.86/27,909,200.78 = 10,931,517.75/x
  3. Step 3: Cross multiply
    20,223,966.86x = 27,909,200.78 × 10,931,517.75
  4. Step 4: Simplify right side
    20,223,966.86x = 305,089,923,660,226.25
  5. Step 5: Solve for x
    x = 305,089,923,660,226.25/20,223,966.86
  6. Step 6: Final answer
    x = 15,085,562.88

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1.5x scale

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.