Home / 12,673,019.60-18,995,532.60-6,997,317.20

Finding the Fourth Proportional to 12,673,019.60, 18,995,532.60 and 6,997,317.20

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Solution

The fourth proportional to 12,673,019.60, 18,995,532.60 and 6,997,317.20 is: 10,488,247.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,673,019.60 : 18,995,532.60 = 6,997,317.20 : x
  2. Step 2: Convert to fraction form
    12,673,019.60/18,995,532.60 = 6,997,317.20/x
  3. Step 3: Cross multiply
    12,673,019.60x = 18,995,532.60 × 6,997,317.20
  4. Step 4: Simplify right side
    12,673,019.60x = 132,917,766,985,140.73
  5. Step 5: Solve for x
    x = 132,917,766,985,140.73/12,673,019.60
  6. Step 6: Final answer
    x = 10,488,247.57

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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.