Home / 20,769,567.48-28,661,867.82-11,602,130.04

Finding the Fourth Proportional to 20,769,567.48, 28,661,867.82 and 11,602,130.04

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Solution

The fourth proportional to 20,769,567.48, 28,661,867.82 and 11,602,130.04 is: 16,010,863.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,769,567.48 : 28,661,867.82 = 11,602,130.04 : x
  2. Step 2: Convert to fraction form
    20,769,567.48/28,661,867.82 = 11,602,130.04/x
  3. Step 3: Cross multiply
    20,769,567.48x = 28,661,867.82 × 11,602,130.04
  4. Step 4: Simplify right side
    20,769,567.48x = 332,538,717,636,931.31
  5. Step 5: Solve for x
    x = 332,538,717,636,931.31/20,769,567.48
  6. Step 6: Final answer
    x = 16,010,863.87

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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.