Home / 21,735,847.72-29,995,780.26-11,947,196.92

Finding the Fourth Proportional to 21,735,847.72, 29,995,780.26 and 11,947,196.92

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Solution

The fourth proportional to 21,735,847.72, 29,995,780.26 and 11,947,196.92 is: 16,487,302.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,735,847.72 : 29,995,780.26 = 11,947,196.92 : x
  2. Step 2: Convert to fraction form
    21,735,847.72/29,995,780.26 = 11,947,196.92/x
  3. Step 3: Cross multiply
    21,735,847.72x = 29,995,780.26 × 11,947,196.92
  4. Step 4: Simplify right side
    21,735,847.72x = 358,365,493,535,268.81
  5. Step 5: Solve for x
    x = 358,365,493,535,268.81/21,735,847.72
  6. Step 6: Final answer
    x = 16,487,302.37

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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.