Home / 21,677,542.95-29,912,259.80-11,885,410.38

Finding the Fourth Proportional to 21,677,542.95, 29,912,259.80 and 11,885,410.38

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Solution

The fourth proportional to 21,677,542.95, 29,912,259.80 and 11,885,410.38 is: 16,400,358.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,677,542.95 : 29,912,259.80 = 11,885,410.38 : x
  2. Step 2: Convert to fraction form
    21,677,542.95/29,912,259.80 = 11,885,410.38/x
  3. Step 3: Cross multiply
    21,677,542.95x = 29,912,259.80 × 11,885,410.38
  4. Step 4: Simplify right side
    21,677,542.95x = 355,519,483,056,749.69
  5. Step 5: Solve for x
    x = 355,519,483,056,749.69/21,677,542.95
  6. Step 6: Final answer
    x = 16,400,358.84

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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.