Home / 13,022,256-17,970,713.28-7,299,120

Finding the Fourth Proportional to 13,022,256, 17,970,713.28 and 7,299,120

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Solution

The fourth proportional to 13,022,256, 17,970,713.28 and 7,299,120 is: 10,072,785.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,022,256 : 17,970,713.28 = 7,299,120 : x
  2. Step 2: Convert to fraction form
    13,022,256/17,970,713.28 = 7,299,120/x
  3. Step 3: Cross multiply
    13,022,256x = 17,970,713.28 × 7,299,120
  4. Step 4: Simplify right side
    13,022,256x = 131,170,392,716,313.61
  5. Step 5: Solve for x
    x = 131,170,392,716,313.61/13,022,256
  6. Step 6: Final answer
    x = 10,072,785.60

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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.