Home / 9,663,971.78-13,336,289.61-5,313,132.14

Finding the Fourth Proportional to 9,663,971.78, 13,336,289.61 and 5,313,132.14

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Solution

The fourth proportional to 9,663,971.78, 13,336,289.61 and 5,313,132.14 is: 7,332,127.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,663,971.78 : 13,336,289.61 = 5,313,132.14 : x
  2. Step 2: Convert to fraction form
    9,663,971.78/13,336,289.61 = 5,313,132.14/x
  3. Step 3: Cross multiply
    9,663,971.78x = 13,336,289.61 × 5,313,132.14
  4. Step 4: Simplify right side
    9,663,971.78x = 70,857,468,955,239.06
  5. Step 5: Solve for x
    x = 70,857,468,955,239.06/9,663,971.78
  6. Step 6: Final answer
    x = 7,332,127.06

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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.