Home / 12,230,976.02-16,878,757.71-6,724,444.57

Finding the Fourth Proportional to 12,230,976.02, 16,878,757.71 and 6,724,444.57

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Solution

The fourth proportional to 12,230,976.02, 16,878,757.71 and 6,724,444.57 is: 9,279,739.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,230,976.02 : 16,878,757.71 = 6,724,444.57 : x
  2. Step 2: Convert to fraction form
    12,230,976.02/16,878,757.71 = 6,724,444.57/x
  3. Step 3: Cross multiply
    12,230,976.02x = 16,878,757.71 × 6,724,444.57
  4. Step 4: Simplify right side
    12,230,976.02x = 113,500,270,631,355.14
  5. Step 5: Solve for x
    x = 113,500,270,631,355.14/12,230,976.02
  6. Step 6: Final answer
    x = 9,279,739.45

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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.