Home / 21,278,899.19-31,922,832.14-6,900,845.86

Finding the Fourth Proportional to 21,278,899.19, 31,922,832.14 and 6,900,845.86

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Solution

The fourth proportional to 21,278,899.19, 31,922,832.14 and 6,900,845.86 is: 10,352,722.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,278,899.19 : 31,922,832.14 = 6,900,845.86 : x
  2. Step 2: Convert to fraction form
    21,278,899.19/31,922,832.14 = 6,900,845.86/x
  3. Step 3: Cross multiply
    21,278,899.19x = 31,922,832.14 × 6,900,845.86
  4. Step 4: Simplify right side
    21,278,899.19x = 220,294,544,044,071.44
  5. Step 5: Solve for x
    x = 220,294,544,044,071.44/21,278,899.19
  6. Step 6: Final answer
    x = 10,352,722.76

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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.