Home / 12,218,174.48-16,861,120.04-6,785,666.32

Finding the Fourth Proportional to 12,218,174.48, 16,861,120.04 and 6,785,666.32

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Solution

The fourth proportional to 12,218,174.48, 16,861,120.04 and 6,785,666.32 is: 9,364,241.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,218,174.48 : 16,861,120.04 = 6,785,666.32 : x
  2. Step 2: Convert to fraction form
    12,218,174.48/16,861,120.04 = 6,785,666.32/x
  3. Step 3: Cross multiply
    12,218,174.48x = 16,861,120.04 × 6,785,666.32
  4. Step 4: Simplify right side
    12,218,174.48x = 114,413,934,372,905.05
  5. Step 5: Solve for x
    x = 114,413,934,372,905.05/12,218,174.48
  6. Step 6: Final answer
    x = 9,364,241.32

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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.