Home / 13,121,431.03-19,666,189.53-9,284,358.97

Finding the Fourth Proportional to 13,121,431.03, 19,666,189.53 and 9,284,358.97

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Solution

The fourth proportional to 13,121,431.03, 19,666,189.53 and 9,284,358.97 is: 13,915,247.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,121,431.03 : 19,666,189.53 = 9,284,358.97 : x
  2. Step 2: Convert to fraction form
    13,121,431.03/19,666,189.53 = 9,284,358.97/x
  3. Step 3: Cross multiply
    13,121,431.03x = 19,666,189.53 × 9,284,358.97
  4. Step 4: Simplify right side
    13,121,431.03x = 182,587,963,168,575.59
  5. Step 5: Solve for x
    x = 182,587,963,168,575.59/13,121,431.03
  6. Step 6: Final answer
    x = 13,915,247.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.