Home / 12,895,242.48-17,795,581.55-7,388,506.79

Finding the Fourth Proportional to 12,895,242.48, 17,795,581.55 and 7,388,506.79

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Solution

The fourth proportional to 12,895,242.48, 17,795,581.55 and 7,388,506.79 is: 10,196,223.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,895,242.48 : 17,795,581.55 = 7,388,506.79 : x
  2. Step 2: Convert to fraction form
    12,895,242.48/17,795,581.55 = 7,388,506.79/x
  3. Step 3: Cross multiply
    12,895,242.48x = 17,795,581.55 × 7,388,506.79
  4. Step 4: Simplify right side
    12,895,242.48x = 131,482,775,114,173.73
  5. Step 5: Solve for x
    x = 131,482,775,114,173.73/12,895,242.48
  6. Step 6: Final answer
    x = 10,196,223.55

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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.