Home / 21,203,505.86-31,810,370.24-7,368,454.33

Finding the Fourth Proportional to 21,203,505.86, 31,810,370.24 and 7,368,454.33

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Solution

The fourth proportional to 21,203,505.86, 31,810,370.24 and 7,368,454.33 is: 11,054,457.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,203,505.86 : 31,810,370.24 = 7,368,454.33 : x
  2. Step 2: Convert to fraction form
    21,203,505.86/31,810,370.24 = 7,368,454.33/x
  3. Step 3: Cross multiply
    21,203,505.86x = 31,810,370.24 × 7,368,454.33
  4. Step 4: Simplify right side
    21,203,505.86x = 234,393,260,137,937.03
  5. Step 5: Solve for x
    x = 234,393,260,137,937.03/21,203,505.86
  6. Step 6: Final answer
    x = 11,054,457.77

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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.