Home / 18,221,890.04-27,332,863.08-7,296,999.45

Finding the Fourth Proportional to 18,221,890.04, 27,332,863.08 and 7,296,999.45

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Solution

The fourth proportional to 18,221,890.04, 27,332,863.08 and 7,296,999.45 is: 10,945,510.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,221,890.04 : 27,332,863.08 = 7,296,999.45 : x
  2. Step 2: Convert to fraction form
    18,221,890.04/27,332,863.08 = 7,296,999.45/x
  3. Step 3: Cross multiply
    18,221,890.04x = 27,332,863.08 × 7,296,999.45
  4. Step 4: Simplify right side
    18,221,890.04x = 199,447,886,861,685.31
  5. Step 5: Solve for x
    x = 199,447,886,861,685.31/18,221,890.04
  6. Step 6: Final answer
    x = 10,945,510.40

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.