Home / 12,647,085.75-17,455,342.74-7,214,577.75

Finding the Fourth Proportional to 12,647,085.75, 17,455,342.74 and 7,214,577.75

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Solution

The fourth proportional to 12,647,085.75, 17,455,342.74 and 7,214,577.75 is: 9,957,466.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,647,085.75 : 17,455,342.74 = 7,214,577.75 : x
  2. Step 2: Convert to fraction form
    12,647,085.75/17,455,342.74 = 7,214,577.75/x
  3. Step 3: Cross multiply
    12,647,085.75x = 17,455,342.74 × 7,214,577.75
  4. Step 4: Simplify right side
    12,647,085.75x = 125,932,927,350,628.02
  5. Step 5: Solve for x
    x = 125,932,927,350,628.02/12,647,085.75
  6. Step 6: Final answer
    x = 9,957,466.08

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1.5x scale

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.