Home / 21,324,358.36-31,986,498.66-6,947,409.16

Finding the Fourth Proportional to 21,324,358.36, 31,986,498.66 and 6,947,409.16

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Solution

The fourth proportional to 21,324,358.36, 31,986,498.66 and 6,947,409.16 is: 10,421,101.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,324,358.36 : 31,986,498.66 = 6,947,409.16 : x
  2. Step 2: Convert to fraction form
    21,324,358.36/31,986,498.66 = 6,947,409.16/x
  3. Step 3: Cross multiply
    21,324,358.36x = 31,986,498.66 × 6,947,409.16
  4. Step 4: Simplify right side
    21,324,358.36x = 222,223,293,786,811.72
  5. Step 5: Solve for x
    x = 222,223,293,786,811.72/21,324,358.36
  6. Step 6: Final answer
    x = 10,421,101.07

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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.