Home / 12,868,781.49-19,303,155.92-3,284,160.23

Finding the Fourth Proportional to 12,868,781.49, 19,303,155.92 and 3,284,160.23

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Solution

The fourth proportional to 12,868,781.49, 19,303,155.92 and 3,284,160.23 is: 4,926,236.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,868,781.49 : 19,303,155.92 = 3,284,160.23 : x
  2. Step 2: Convert to fraction form
    12,868,781.49/19,303,155.92 = 3,284,160.23/x
  3. Step 3: Cross multiply
    12,868,781.49x = 19,303,155.92 × 3,284,160.23
  4. Step 4: Simplify right side
    12,868,781.49x = 63,394,657,042,421.35
  5. Step 5: Solve for x
    x = 63,394,657,042,421.35/12,868,781.49
  6. Step 6: Final answer
    x = 4,926,236.19

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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.