Home / 47,286,080.80-70,874,008.80-21,729,673.60

Finding the Fourth Proportional to 47,286,080.80, 70,874,008.80 and 21,729,673.60

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Solution

The fourth proportional to 47,286,080.80, 70,874,008.80 and 21,729,673.60 is: 32,569,184.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,286,080.80 : 70,874,008.80 = 21,729,673.60 : x
  2. Step 2: Convert to fraction form
    47,286,080.80/70,874,008.80 = 21,729,673.60/x
  3. Step 3: Cross multiply
    47,286,080.80x = 70,874,008.80 × 21,729,673.60
  4. Step 4: Simplify right side
    47,286,080.80x = 1,540,069,077,947,527.75
  5. Step 5: Solve for x
    x = 1,540,069,077,947,527.75/47,286,080.80
  6. Step 6: Final answer
    x = 32,569,184.25

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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.