Home / 11,102,700.92-15,325,955.34-7,236,162.68

Finding the Fourth Proportional to 11,102,700.92, 15,325,955.34 and 7,236,162.68

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Solution

The fourth proportional to 11,102,700.92, 15,325,955.34 and 7,236,162.68 is: 9,988,660.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,102,700.92 : 15,325,955.34 = 7,236,162.68 : x
  2. Step 2: Convert to fraction form
    11,102,700.92/15,325,955.34 = 7,236,162.68/x
  3. Step 3: Cross multiply
    11,102,700.92x = 15,325,955.34 × 7,236,162.68
  4. Step 4: Simplify right side
    11,102,700.92x = 110,901,106,066,654.70
  5. Step 5: Solve for x
    x = 110,901,106,066,654.70/11,102,700.92
  6. Step 6: Final answer
    x = 9,988,660.13

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Double scale
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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.