Home / 12,620,996.49-17,418,359.12-7,323,858.32

Finding the Fourth Proportional to 12,620,996.49, 17,418,359.12 and 7,323,858.32

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Solution

The fourth proportional to 12,620,996.49, 17,418,359.12 and 7,323,858.32 is: 10,107,727.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,620,996.49 : 17,418,359.12 = 7,323,858.32 : x
  2. Step 2: Convert to fraction form
    12,620,996.49/17,418,359.12 = 7,323,858.32/x
  3. Step 3: Cross multiply
    12,620,996.49x = 17,418,359.12 × 7,323,858.32
  4. Step 4: Simplify right side
    12,620,996.49x = 127,569,594,238,048.78
  5. Step 5: Solve for x
    x = 127,569,594,238,048.78/12,620,996.49
  6. Step 6: Final answer
    x = 10,107,727.57

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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.