Home / 12,330,299.52-17,019,236.16-7,174,660.32

Finding the Fourth Proportional to 12,330,299.52, 17,019,236.16 and 7,174,660.32

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Solution

The fourth proportional to 12,330,299.52, 17,019,236.16 and 7,174,660.32 is: 9,903,022.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,330,299.52 : 17,019,236.16 = 7,174,660.32 : x
  2. Step 2: Convert to fraction form
    12,330,299.52/17,019,236.16 = 7,174,660.32/x
  3. Step 3: Cross multiply
    12,330,299.52x = 17,019,236.16 × 7,174,660.32
  4. Step 4: Simplify right side
    12,330,299.52x = 122,107,238,353,861.17
  5. Step 5: Solve for x
    x = 122,107,238,353,861.17/12,330,299.52
  6. Step 6: Final answer
    x = 9,903,022.89

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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.