Home / 27,380,257.28-37,785,200.64-14,990,141.60

Finding the Fourth Proportional to 27,380,257.28, 37,785,200.64 and 14,990,141.60

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Solution

The fourth proportional to 27,380,257.28, 37,785,200.64 and 14,990,141.60 is: 20,686,639.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,380,257.28 : 37,785,200.64 = 14,990,141.60 : x
  2. Step 2: Convert to fraction form
    27,380,257.28/37,785,200.64 = 14,990,141.60/x
  3. Step 3: Cross multiply
    27,380,257.28x = 37,785,200.64 × 14,990,141.60
  4. Step 4: Simplify right side
    27,380,257.28x = 566,405,507,978,010.62
  5. Step 5: Solve for x
    x = 566,405,507,978,010.62/27,380,257.28
  6. Step 6: Final answer
    x = 20,686,639.36

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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.