Home / 18,168,236.40-27,241,377.66-7,240,106.76

Finding the Fourth Proportional to 18,168,236.40, 27,241,377.66 and 7,240,106.76

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Solution

The fourth proportional to 18,168,236.40, 27,241,377.66 and 7,240,106.76 is: 10,855,785.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,168,236.40 : 27,241,377.66 = 7,240,106.76 : x
  2. Step 2: Convert to fraction form
    18,168,236.40/27,241,377.66 = 7,240,106.76/x
  3. Step 3: Cross multiply
    18,168,236.40x = 27,241,377.66 × 7,240,106.76
  4. Step 4: Simplify right side
    18,168,236.40x = 197,230,482,547,878.97
  5. Step 5: Solve for x
    x = 197,230,482,547,878.97/18,168,236.40
  6. Step 6: Final answer
    x = 10,855,785.79

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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.