Home / 13,169,695.68-18,174,886.56-7,368,131.52

Finding the Fourth Proportional to 13,169,695.68, 18,174,886.56 and 7,368,131.52

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Solution

The fourth proportional to 13,169,695.68, 18,174,886.56 and 7,368,131.52 is: 10,168,416.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,169,695.68 : 18,174,886.56 = 7,368,131.52 : x
  2. Step 2: Convert to fraction form
    13,169,695.68/18,174,886.56 = 7,368,131.52/x
  3. Step 3: Cross multiply
    13,169,695.68x = 18,174,886.56 × 7,368,131.52
  4. Step 4: Simplify right side
    13,169,695.68x = 133,914,954,535,160.36
  5. Step 5: Solve for x
    x = 133,914,954,535,160.36/13,169,695.68
  6. Step 6: Final answer
    x = 10,168,416.78

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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.