Home / 13,169,696.68-18,174,887.94-7,368,132.52

Finding the Fourth Proportional to 13,169,696.68, 18,174,887.94 and 7,368,132.52

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Solution

The fourth proportional to 13,169,696.68, 18,174,887.94 and 7,368,132.52 is: 10,168,418.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,169,696.68 : 18,174,887.94 = 7,368,132.52 : x
  2. Step 2: Convert to fraction form
    13,169,696.68/18,174,887.94 = 7,368,132.52/x
  3. Step 3: Cross multiply
    13,169,696.68x = 18,174,887.94 × 7,368,132.52
  4. Step 4: Simplify right side
    13,169,696.68x = 133,914,982,878,069.81
  5. Step 5: Solve for x
    x = 133,914,982,878,069.81/13,169,696.68
  6. Step 6: Final answer
    x = 10,168,418.16

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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.