Home / 12,915,552.69-17,823,463.67-7,114,334.43

Finding the Fourth Proportional to 12,915,552.69, 17,823,463.67 and 7,114,334.43

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Solution

The fourth proportional to 12,915,552.69, 17,823,463.67 and 7,114,334.43 is: 9,817,782.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,915,552.69 : 17,823,463.67 = 7,114,334.43 : x
  2. Step 2: Convert to fraction form
    12,915,552.69/17,823,463.67 = 7,114,334.43/x
  3. Step 3: Cross multiply
    12,915,552.69x = 17,823,463.67 × 7,114,334.43
  4. Step 4: Simplify right side
    12,915,552.69x = 126,802,081,266,560.36
  5. Step 5: Solve for x
    x = 126,802,081,266,560.36/12,915,552.69
  6. Step 6: Final answer
    x = 9,817,782.04

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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.