Home / 13,079,589.71-19,571,400.59-10,915,272.07

Finding the Fourth Proportional to 13,079,589.71, 19,571,400.59 and 10,915,272.07

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Solution

The fourth proportional to 13,079,589.71, 19,571,400.59 and 10,915,272.07 is: 16,332,864.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,079,589.71 : 19,571,400.59 = 10,915,272.07 : x
  2. Step 2: Convert to fraction form
    13,079,589.71/19,571,400.59 = 10,915,272.07/x
  3. Step 3: Cross multiply
    13,079,589.71x = 19,571,400.59 × 10,915,272.07
  4. Step 4: Simplify right side
    13,079,589.71x = 213,627,162,209,168.22
  5. Step 5: Solve for x
    x = 213,627,162,209,168.22/13,079,589.71
  6. Step 6: Final answer
    x = 16,332,864.18

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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.