Home / 15,473,394.29-21,353,764.77-8,503,945.38

Finding the Fourth Proportional to 15,473,394.29, 21,353,764.77 and 8,503,945.38

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Solution

The fourth proportional to 15,473,394.29, 21,353,764.77 and 8,503,945.38 is: 11,735,708.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,473,394.29 : 21,353,764.77 = 8,503,945.38 : x
  2. Step 2: Convert to fraction form
    15,473,394.29/21,353,764.77 = 8,503,945.38/x
  3. Step 3: Cross multiply
    15,473,394.29x = 21,353,764.77 × 8,503,945.38
  4. Step 4: Simplify right side
    15,473,394.29x = 181,591,249,261,448.28
  5. Step 5: Solve for x
    x = 181,591,249,261,448.28/15,473,394.29
  6. Step 6: Final answer
    x = 11,735,708.78

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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.