Home / 13,642,767.36-18,827,022.24-7,531,200

Finding the Fourth Proportional to 13,642,767.36, 18,827,022.24 and 7,531,200

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Solution

The fourth proportional to 13,642,767.36, 18,827,022.24 and 7,531,200 is: 10,393,057.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,642,767.36 : 18,827,022.24 = 7,531,200 : x
  2. Step 2: Convert to fraction form
    13,642,767.36/18,827,022.24 = 7,531,200/x
  3. Step 3: Cross multiply
    13,642,767.36x = 18,827,022.24 × 7,531,200
  4. Step 4: Simplify right side
    13,642,767.36x = 141,790,069,893,888
  5. Step 5: Solve for x
    x = 141,790,069,893,888/13,642,767.36
  6. Step 6: Final answer
    x = 10,393,057.81

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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.