Home / 13,230,372.44-18,256,666.06-7,428,020.88

Finding the Fourth Proportional to 13,230,372.44, 18,256,666.06 and 7,428,020.88

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Solution

The fourth proportional to 13,230,372.44, 18,256,666.06 and 7,428,020.88 is: 10,249,968.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,230,372.44 : 18,256,666.06 = 7,428,020.88 : x
  2. Step 2: Convert to fraction form
    13,230,372.44/18,256,666.06 = 7,428,020.88/x
  3. Step 3: Cross multiply
    13,230,372.44x = 18,256,666.06 × 7,428,020.88
  4. Step 4: Simplify right side
    13,230,372.44x = 135,610,896,692,867.33
  5. Step 5: Solve for x
    x = 135,610,896,692,867.33/13,230,372.44
  6. Step 6: Final answer
    x = 10,249,968.19

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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.