Home / 21,751,416.27-30,016,355.76-11,961,860.49

Finding the Fourth Proportional to 21,751,416.27, 30,016,355.76 and 11,961,860.49

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Solution

The fourth proportional to 21,751,416.27, 30,016,355.76 and 11,961,860.49 is: 16,507,038.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,751,416.27 : 30,016,355.76 = 11,961,860.49 : x
  2. Step 2: Convert to fraction form
    21,751,416.27/30,016,355.76 = 11,961,860.49/x
  3. Step 3: Cross multiply
    21,751,416.27x = 30,016,355.76 × 11,961,860.49
  4. Step 4: Simplify right side
    21,751,416.27x = 359,051,460,019,327.94
  5. Step 5: Solve for x
    x = 359,051,460,019,327.94/21,751,416.27
  6. Step 6: Final answer
    x = 16,507,038.23

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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.