Home / 28,190,983.20-42,286,474.80-16,853,575.20

Finding the Fourth Proportional to 28,190,983.20, 42,286,474.80 and 16,853,575.20

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Solution

The fourth proportional to 28,190,983.20, 42,286,474.80 and 16,853,575.20 is: 25,280,362.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,190,983.20 : 42,286,474.80 = 16,853,575.20 : x
  2. Step 2: Convert to fraction form
    28,190,983.20/42,286,474.80 = 16,853,575.20/x
  3. Step 3: Cross multiply
    28,190,983.20x = 42,286,474.80 × 16,853,575.20
  4. Step 4: Simplify right side
    28,190,983.20x = 712,678,282,984,704.88
  5. Step 5: Solve for x
    x = 712,678,282,984,704.88/28,190,983.20
  6. Step 6: Final answer
    x = 25,280,362.80

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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.