Home / 28,029,148.20-42,043,722.30-27,840,191.40

Finding the Fourth Proportional to 28,029,148.20, 42,043,722.30 and 27,840,191.40

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Solution

The fourth proportional to 28,029,148.20, 42,043,722.30 and 27,840,191.40 is: 41,760,287.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,029,148.20 : 42,043,722.30 = 27,840,191.40 : x
  2. Step 2: Convert to fraction form
    28,029,148.20/42,043,722.30 = 27,840,191.40/x
  3. Step 3: Cross multiply
    28,029,148.20x = 42,043,722.30 × 27,840,191.40
  4. Step 4: Simplify right side
    28,029,148.20x = 1,170,505,276,000,448
  5. Step 5: Solve for x
    x = 1,170,505,276,000,448/28,029,148.20
  6. Step 6: Final answer
    x = 41,760,287.10

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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.