Home / 18,168,110.11-27,241,188.47-7,239,980.94

Finding the Fourth Proportional to 18,168,110.11, 27,241,188.47 and 7,239,980.94

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Solution

The fourth proportional to 18,168,110.11, 27,241,188.47 and 7,239,980.94 is: 10,855,597.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,168,110.11 : 27,241,188.47 = 7,239,980.94 : x
  2. Step 2: Convert to fraction form
    18,168,110.11/27,241,188.47 = 7,239,980.94/x
  3. Step 3: Cross multiply
    18,168,110.11x = 27,241,188.47 × 7,239,980.94
  4. Step 4: Simplify right side
    18,168,110.11x = 197,225,685,305,747.75
  5. Step 5: Solve for x
    x = 197,225,685,305,747.75/18,168,110.11
  6. Step 6: Final answer
    x = 10,855,597.20

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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.