Home / 22,198,071.96-30,631,635-13,495,036.68

Finding the Fourth Proportional to 22,198,071.96, 30,631,635 and 13,495,036.68

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Solution

The fourth proportional to 22,198,071.96, 30,631,635 and 13,495,036.68 is: 18,622,114.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,198,071.96 : 30,631,635 = 13,495,036.68 : x
  2. Step 2: Convert to fraction form
    22,198,071.96/30,631,635 = 13,495,036.68/x
  3. Step 3: Cross multiply
    22,198,071.96x = 30,631,635 × 13,495,036.68
  4. Step 4: Simplify right side
    22,198,071.96x = 413,375,037,893,371.81
  5. Step 5: Solve for x
    x = 413,375,037,893,371.81/22,198,071.96
  6. Step 6: Final answer
    x = 18,622,114.51

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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.