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Finding the Fourth Proportional to 41,287,310.03, 56,978,129.47 and 22,703,973.72

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Solution

The fourth proportional to 41,287,310.03, 56,978,129.47 and 22,703,973.72 is: 31,332,386.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,287,310.03 : 56,978,129.47 = 22,703,973.72 : x
  2. Step 2: Convert to fraction form
    41,287,310.03/56,978,129.47 = 22,703,973.72/x
  3. Step 3: Cross multiply
    41,287,310.03x = 56,978,129.47 × 22,703,973.72
  4. Step 4: Simplify right side
    41,287,310.03x = 1,293,629,954,258,148
  5. Step 5: Solve for x
    x = 1,293,629,954,258,148/41,287,310.03
  6. Step 6: Final answer
    x = 31,332,386.47

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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.