Home / 10,081,078.11-15,117,448.28-3,162,249.71

Finding the Fourth Proportional to 10,081,078.11, 15,117,448.28 and 3,162,249.71

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Solution

The fourth proportional to 10,081,078.11, 15,117,448.28 and 3,162,249.71 is: 4,742,066.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,081,078.11 : 15,117,448.28 = 3,162,249.71 : x
  2. Step 2: Convert to fraction form
    10,081,078.11/15,117,448.28 = 3,162,249.71/x
  3. Step 3: Cross multiply
    10,081,078.11x = 15,117,448.28 × 3,162,249.71
  4. Step 4: Simplify right side
    10,081,078.11x = 47,805,146,347,971.51
  5. Step 5: Solve for x
    x = 47,805,146,347,971.51/10,081,078.11
  6. Step 6: Final answer
    x = 4,742,066.85

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.