Home / 30,310,171.28-45,494,000.64-18,760,702.44

Finding the Fourth Proportional to 30,310,171.28, 45,494,000.64 and 18,760,702.44

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Solution

The fourth proportional to 30,310,171.28, 45,494,000.64 and 18,760,702.44 is: 28,158,844.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,310,171.28 : 45,494,000.64 = 18,760,702.44 : x
  2. Step 2: Convert to fraction form
    30,310,171.28/45,494,000.64 = 18,760,702.44/x
  3. Step 3: Cross multiply
    30,310,171.28x = 45,494,000.64 × 18,760,702.44
  4. Step 4: Simplify right side
    30,310,171.28x = 853,499,408,812,209.62
  5. Step 5: Solve for x
    x = 853,499,408,812,209.62/30,310,171.28
  6. Step 6: Final answer
    x = 28,158,844.80

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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.