Home / 22,778,058.18-31,433,721.96-12,464,781.78

Finding the Fourth Proportional to 22,778,058.18, 31,433,721.96 and 12,464,781.78

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Solution

The fourth proportional to 22,778,058.18, 31,433,721.96 and 12,464,781.78 is: 17,201,399.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,778,058.18 : 31,433,721.96 = 12,464,781.78 : x
  2. Step 2: Convert to fraction form
    22,778,058.18/31,433,721.96 = 12,464,781.78/x
  3. Step 3: Cross multiply
    22,778,058.18x = 31,433,721.96 × 12,464,781.78
  4. Step 4: Simplify right side
    22,778,058.18x = 391,814,484,764,593.88
  5. Step 5: Solve for x
    x = 391,814,484,764,593.88/22,778,058.18
  6. Step 6: Final answer
    x = 17,201,399.77

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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.