Home / 13,121,421.04-19,666,174.54-9,284,348.98

Finding the Fourth Proportional to 13,121,421.04, 19,666,174.54 and 9,284,348.98

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Solution

The fourth proportional to 13,121,421.04, 19,666,174.54 and 9,284,348.98 is: 13,915,232.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,121,421.04 : 19,666,174.54 = 9,284,348.98 : x
  2. Step 2: Convert to fraction form
    13,121,421.04/19,666,174.54 = 9,284,348.98/x
  3. Step 3: Cross multiply
    13,121,421.04x = 19,666,174.54 × 9,284,348.98
  4. Step 4: Simplify right side
    13,121,421.04x = 182,587,627,530,950.97
  5. Step 5: Solve for x
    x = 182,587,627,530,950.97/13,121,421.04
  6. Step 6: Final answer
    x = 13,915,232.73

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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.