Home / 12,549,453.75-17,318,246.45-7,116,945.75

Finding the Fourth Proportional to 12,549,453.75, 17,318,246.45 and 7,116,945.75

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Solution

The fourth proportional to 12,549,453.75, 17,318,246.45 and 7,116,945.75 is: 9,821,385.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,549,453.75 : 17,318,246.45 = 7,116,945.75 : x
  2. Step 2: Convert to fraction form
    12,549,453.75/17,318,246.45 = 7,116,945.75/x
  3. Step 3: Cross multiply
    12,549,453.75x = 17,318,246.45 × 7,116,945.75
  4. Step 4: Simplify right side
    12,549,453.75x = 123,253,020,434,195.36
  5. Step 5: Solve for x
    x = 123,253,020,434,195.36/12,549,453.75
  6. Step 6: Final answer
    x = 9,821,385.29

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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.