Home / 13,315,398.23-18,374,203-8,158,058.57

Finding the Fourth Proportional to 13,315,398.23, 18,374,203 and 8,158,058.57

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Solution

The fourth proportional to 13,315,398.23, 18,374,203 and 8,158,058.57 is: 11,257,479.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,315,398.23 : 18,374,203 = 8,158,058.57 : x
  2. Step 2: Convert to fraction form
    13,315,398.23/18,374,203 = 8,158,058.57/x
  3. Step 3: Cross multiply
    13,315,398.23x = 18,374,203 × 8,158,058.57
  4. Step 4: Simplify right side
    13,315,398.23x = 149,897,824,251,069.72
  5. Step 5: Solve for x
    x = 149,897,824,251,069.72/13,315,398.23
  6. Step 6: Final answer
    x = 11,257,479.62

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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.