Home / 13,621,887.96-20,446,128.90-11,249,896.92

Finding the Fourth Proportional to 13,621,887.96, 20,446,128.90 and 11,249,896.92

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Solution

The fourth proportional to 13,621,887.96, 20,446,128.90 and 11,249,896.92 is: 16,885,826.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,621,887.96 : 20,446,128.90 = 11,249,896.92 : x
  2. Step 2: Convert to fraction form
    13,621,887.96/20,446,128.90 = 11,249,896.92/x
  3. Step 3: Cross multiply
    13,621,887.96x = 20,446,128.90 × 11,249,896.92
  4. Step 4: Simplify right side
    13,621,887.96x = 230,016,842,538,032.97
  5. Step 5: Solve for x
    x = 230,016,842,538,032.97/13,621,887.96
  6. Step 6: Final answer
    x = 16,885,826.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.