Home / 28,029,089.70-42,043,634.55-27,840,132.90

Finding the Fourth Proportional to 28,029,089.70, 42,043,634.55 and 27,840,132.90

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Solution

The fourth proportional to 28,029,089.70, 42,043,634.55 and 27,840,132.90 is: 41,760,199.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,029,089.70 : 42,043,634.55 = 27,840,132.90 : x
  2. Step 2: Convert to fraction form
    28,029,089.70/42,043,634.55 = 27,840,132.90/x
  3. Step 3: Cross multiply
    28,029,089.70x = 42,043,634.55 × 27,840,132.90
  4. Step 4: Simplify right side
    28,029,089.70x = 1,170,500,373,471,031.50
  5. Step 5: Solve for x
    x = 1,170,500,373,471,031.50/28,029,089.70
  6. Step 6: Final answer
    x = 41,760,199.35

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1.5x scale

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.