Home / 12,617,129.31-17,411,616.41-6,815,893.11

Finding the Fourth Proportional to 12,617,129.31, 17,411,616.41 and 6,815,893.11

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Solution

The fourth proportional to 12,617,129.31, 17,411,616.41 and 6,815,893.11 is: 9,405,920.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,617,129.31 : 17,411,616.41 = 6,815,893.11 : x
  2. Step 2: Convert to fraction form
    12,617,129.31/17,411,616.41 = 6,815,893.11/x
  3. Step 3: Cross multiply
    12,617,129.31x = 17,411,616.41 × 6,815,893.11
  4. Step 4: Simplify right side
    12,617,129.31x = 118,675,716,288,802.48
  5. Step 5: Solve for x
    x = 118,675,716,288,802.48/12,617,129.31
  6. Step 6: Final answer
    x = 9,405,920.58

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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.