Home / 12,768,976.08-17,620,639.32-6,967,613.52

Finding the Fourth Proportional to 12,768,976.08, 17,620,639.32 and 6,967,613.52

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Solution

The fourth proportional to 12,768,976.08, 17,620,639.32 and 6,967,613.52 is: 9,615,007.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,768,976.08 : 17,620,639.32 = 6,967,613.52 : x
  2. Step 2: Convert to fraction form
    12,768,976.08/17,620,639.32 = 6,967,613.52/x
  3. Step 3: Cross multiply
    12,768,976.08x = 17,620,639.32 × 6,967,613.52
  4. Step 4: Simplify right side
    12,768,976.08x = 122,773,804,757,075.59
  5. Step 5: Solve for x
    x = 122,773,804,757,075.59/12,768,976.08
  6. Step 6: Final answer
    x = 9,615,007.81

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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.