Home / 31,030,906.56-42,822,650.87-17,985,732.26

Finding the Fourth Proportional to 31,030,906.56, 42,822,650.87 and 17,985,732.26

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Solution

The fourth proportional to 31,030,906.56, 42,822,650.87 and 17,985,732.26 is: 24,820,310.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,030,906.56 : 42,822,650.87 = 17,985,732.26 : x
  2. Step 2: Convert to fraction form
    31,030,906.56/42,822,650.87 = 17,985,732.26/x
  3. Step 3: Cross multiply
    31,030,906.56x = 42,822,650.87 × 17,985,732.26
  4. Step 4: Simplify right side
    31,030,906.56x = 770,196,733,211,276.12
  5. Step 5: Solve for x
    x = 770,196,733,211,276.12/31,030,906.56
  6. Step 6: Final answer
    x = 24,820,310.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.