Home / 28,617,975.60-42,926,963.40-19,548,049.20

Finding the Fourth Proportional to 28,617,975.60, 42,926,963.40 and 19,548,049.20

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Solution

The fourth proportional to 28,617,975.60, 42,926,963.40 and 19,548,049.20 is: 29,322,073.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,617,975.60 : 42,926,963.40 = 19,548,049.20 : x
  2. Step 2: Convert to fraction form
    28,617,975.60/42,926,963.40 = 19,548,049.20/x
  3. Step 3: Cross multiply
    28,617,975.60x = 42,926,963.40 × 19,548,049.20
  4. Step 4: Simplify right side
    28,617,975.60x = 839,138,392,549,799.25
  5. Step 5: Solve for x
    x = 839,138,392,549,799.25/28,617,975.60
  6. Step 6: Final answer
    x = 29,322,073.80

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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.