Home / 47,286,050.80-70,873,963.80-21,729,643.60

Finding the Fourth Proportional to 47,286,050.80, 70,873,963.80 and 21,729,643.60

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Solution

The fourth proportional to 47,286,050.80, 70,873,963.80 and 21,729,643.60 is: 32,569,139.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,286,050.80 : 70,873,963.80 = 21,729,643.60 : x
  2. Step 2: Convert to fraction form
    47,286,050.80/70,873,963.80 = 21,729,643.60/x
  3. Step 3: Cross multiply
    47,286,050.80x = 70,873,963.80 × 21,729,643.60
  4. Step 4: Simplify right side
    47,286,050.80x = 1,540,065,973,893,301.75
  5. Step 5: Solve for x
    x = 1,540,065,973,893,301.75/47,286,050.80
  6. Step 6: Final answer
    x = 32,569,139.27

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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.