Home / 13,482,641.57-18,606,129.71-7,287,675.50

Finding the Fourth Proportional to 13,482,641.57, 18,606,129.71 and 7,287,675.50

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Solution

The fourth proportional to 13,482,641.57, 18,606,129.71 and 7,287,675.50 is: 10,057,037.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,482,641.57 : 18,606,129.71 = 7,287,675.50 : x
  2. Step 2: Convert to fraction form
    13,482,641.57/18,606,129.71 = 7,287,675.50/x
  3. Step 3: Cross multiply
    13,482,641.57x = 18,606,129.71 × 7,287,675.50
  4. Step 4: Simplify right side
    13,482,641.57x = 135,595,435,647,466.05
  5. Step 5: Solve for x
    x = 135,595,435,647,466.05/13,482,641.57
  6. Step 6: Final answer
    x = 10,057,037.78

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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.