Home / 13,563,779.39-18,718,037.75-7,368,850.38

Finding the Fourth Proportional to 13,563,779.39, 18,718,037.75 and 7,368,850.38

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Solution

The fourth proportional to 13,563,779.39, 18,718,037.75 and 7,368,850.38 is: 10,169,025.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,563,779.39 : 18,718,037.75 = 7,368,850.38 : x
  2. Step 2: Convert to fraction form
    13,563,779.39/18,718,037.75 = 7,368,850.38/x
  3. Step 3: Cross multiply
    13,563,779.39x = 18,718,037.75 × 7,368,850.38
  4. Step 4: Simplify right side
    13,563,779.39x = 137,930,419,586,941.84
  5. Step 5: Solve for x
    x = 137,930,419,586,941.84/13,563,779.39
  6. Step 6: Final answer
    x = 10,169,025.58

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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.