Home / 20,886,360.64-31,321,886.44-7,235,981.44

Finding the Fourth Proportional to 20,886,360.64, 31,321,886.44 and 7,235,981.44

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Solution

The fourth proportional to 20,886,360.64, 31,321,886.44 and 7,235,981.44 is: 10,851,320.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,886,360.64 : 31,321,886.44 = 7,235,981.44 : x
  2. Step 2: Convert to fraction form
    20,886,360.64/31,321,886.44 = 7,235,981.44/x
  3. Step 3: Cross multiply
    20,886,360.64x = 31,321,886.44 × 7,235,981.44
  4. Step 4: Simplify right side
    20,886,360.64x = 226,644,588,945,627.69
  5. Step 5: Solve for x
    x = 226,644,588,945,627.69/20,886,360.64
  6. Step 6: Final answer
    x = 10,851,320.29

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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.