Home / 18,518,236.75-27,794,590.35-9,427,140.50

Finding the Fourth Proportional to 18,518,236.75, 27,794,590.35 and 9,427,140.50

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Solution

The fourth proportional to 18,518,236.75, 27,794,590.35 and 9,427,140.50 is: 14,149,484.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,518,236.75 : 27,794,590.35 = 9,427,140.50 : x
  2. Step 2: Convert to fraction form
    18,518,236.75/27,794,590.35 = 9,427,140.50/x
  3. Step 3: Cross multiply
    18,518,236.75x = 27,794,590.35 × 9,427,140.50
  4. Step 4: Simplify right side
    18,518,236.75x = 262,023,508,230,421.22
  5. Step 5: Solve for x
    x = 262,023,508,230,421.22/18,518,236.75
  6. Step 6: Final answer
    x = 14,149,484.74

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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.