Home / 11,458,741.40-17,187,862.40-5,390,109.36

Finding the Fourth Proportional to 11,458,741.40, 17,187,862.40 and 5,390,109.36

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Solution

The fourth proportional to 11,458,741.40, 17,187,862.40 and 5,390,109.36 is: 8,085,046.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,458,741.40 : 17,187,862.40 = 5,390,109.36 : x
  2. Step 2: Convert to fraction form
    11,458,741.40/17,187,862.40 = 5,390,109.36/x
  3. Step 3: Cross multiply
    11,458,741.40x = 17,187,862.40 × 5,390,109.36
  4. Step 4: Simplify right side
    11,458,741.40x = 92,644,458,000,632.06
  5. Step 5: Solve for x
    x = 92,644,458,000,632.06/11,458,741.40
  6. Step 6: Final answer
    x = 8,085,046.58

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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.