Home / 12,857,046.39-17,742,324.33-7,055,678.97

Finding the Fourth Proportional to 12,857,046.39, 17,742,324.33 and 7,055,678.97

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Solution

The fourth proportional to 12,857,046.39, 17,742,324.33 and 7,055,678.97 is: 9,736,617.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,857,046.39 : 17,742,324.33 = 7,055,678.97 : x
  2. Step 2: Convert to fraction form
    12,857,046.39/17,742,324.33 = 7,055,678.97/x
  3. Step 3: Cross multiply
    12,857,046.39x = 17,742,324.33 × 7,055,678.97
  4. Step 4: Simplify right side
    12,857,046.39x = 125,184,144,654,100.33
  5. Step 5: Solve for x
    x = 125,184,144,654,100.33/12,857,046.39
  6. Step 6: Final answer
    x = 9,736,617.64

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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.