Home / 18,382,500.60-27,573,750.90-4,919,328.60

Finding the Fourth Proportional to 18,382,500.60, 27,573,750.90 and 4,919,328.60

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Solution

The fourth proportional to 18,382,500.60, 27,573,750.90 and 4,919,328.60 is: 7,378,992.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,382,500.60 : 27,573,750.90 = 4,919,328.60 : x
  2. Step 2: Convert to fraction form
    18,382,500.60/27,573,750.90 = 4,919,328.60/x
  3. Step 3: Cross multiply
    18,382,500.60x = 27,573,750.90 × 4,919,328.60
  4. Step 4: Simplify right side
    18,382,500.60x = 135,644,341,411,645.72
  5. Step 5: Solve for x
    x = 135,644,341,411,645.72/18,382,500.60
  6. Step 6: Final answer
    x = 7,378,992.90

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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.