Home / 13,121,416.31-19,666,167.57-9,284,344.47

Finding the Fourth Proportional to 13,121,416.31, 19,666,167.57 and 9,284,344.47

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Solution

The fourth proportional to 13,121,416.31, 19,666,167.57 and 9,284,344.47 is: 13,915,226.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,121,416.31 : 19,666,167.57 = 9,284,344.47 : x
  2. Step 2: Convert to fraction form
    13,121,416.31/19,666,167.57 = 9,284,344.47/x
  3. Step 3: Cross multiply
    13,121,416.31x = 19,666,167.57 × 9,284,344.47
  4. Step 4: Simplify right side
    13,121,416.31x = 182,587,474,124,622.84
  5. Step 5: Solve for x
    x = 182,587,474,124,622.84/13,121,416.31
  6. Step 6: Final answer
    x = 13,915,226.06

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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.