Home / 12,640,955.04-17,444,506.68-7,135,488.72

Finding the Fourth Proportional to 12,640,955.04, 17,444,506.68 and 7,135,488.72

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Solution

The fourth proportional to 12,640,955.04, 17,444,506.68 and 7,135,488.72 is: 9,846,968.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,640,955.04 : 17,444,506.68 = 7,135,488.72 : x
  2. Step 2: Convert to fraction form
    12,640,955.04/17,444,506.68 = 7,135,488.72/x
  3. Step 3: Cross multiply
    12,640,955.04x = 17,444,506.68 × 7,135,488.72
  4. Step 4: Simplify right side
    12,640,955.04x = 124,475,080,641,104.64
  5. Step 5: Solve for x
    x = 124,475,080,641,104.64/12,640,955.04
  6. Step 6: Final answer
    x = 9,846,968.07

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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.