Home / 20,501,071.96-28,290,058.50-11,332,993

Finding the Fourth Proportional to 20,501,071.96, 28,290,058.50 and 11,332,993

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Solution

The fourth proportional to 20,501,071.96, 28,290,058.50 and 11,332,993 is: 15,638,744.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,501,071.96 : 28,290,058.50 = 11,332,993 : x
  2. Step 2: Convert to fraction form
    20,501,071.96/28,290,058.50 = 11,332,993/x
  3. Step 3: Cross multiply
    20,501,071.96x = 28,290,058.50 × 11,332,993
  4. Step 4: Simplify right side
    20,501,071.96x = 320,611,034,950,090.50
  5. Step 5: Solve for x
    x = 320,611,034,950,090.50/20,501,071.96
  6. Step 6: Final answer
    x = 15,638,744.92

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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.