Home / 20,535,196.24-28,338,904.92-11,242,609.48

Finding the Fourth Proportional to 20,535,196.24, 28,338,904.92 and 11,242,609.48

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Solution

The fourth proportional to 20,535,196.24, 28,338,904.92 and 11,242,609.48 is: 15,514,984.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,535,196.24 : 28,338,904.92 = 11,242,609.48 : x
  2. Step 2: Convert to fraction form
    20,535,196.24/28,338,904.92 = 11,242,609.48/x
  3. Step 3: Cross multiply
    20,535,196.24x = 28,338,904.92 × 11,242,609.48
  4. Step 4: Simplify right side
    20,535,196.24x = 318,603,241,106,410.69
  5. Step 5: Solve for x
    x = 318,603,241,106,410.69/20,535,196.24
  6. Step 6: Final answer
    x = 15,514,984.00

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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.