Home / 12,077,172.12-16,666,629.68-6,570,578.28

Finding the Fourth Proportional to 12,077,172.12, 16,666,629.68 and 6,570,578.28

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Solution

The fourth proportional to 12,077,172.12, 16,666,629.68 and 6,570,578.28 is: 9,067,469.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,077,172.12 : 16,666,629.68 = 6,570,578.28 : x
  2. Step 2: Convert to fraction form
    12,077,172.12/16,666,629.68 = 6,570,578.28/x
  3. Step 3: Cross multiply
    12,077,172.12x = 16,666,629.68 × 6,570,578.28
  4. Step 4: Simplify right side
    12,077,172.12x = 109,509,394,976,211.36
  5. Step 5: Solve for x
    x = 109,509,394,976,211.36/12,077,172.12
  6. Step 6: Final answer
    x = 9,067,469.92

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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.