Home / 9,266,028.78-12,787,097.57-5,079,706.18

Finding the Fourth Proportional to 9,266,028.78, 12,787,097.57 and 5,079,706.18

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Solution

The fourth proportional to 9,266,028.78, 12,787,097.57 and 5,079,706.18 is: 7,009,982.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,266,028.78 : 12,787,097.57 = 5,079,706.18 : x
  2. Step 2: Convert to fraction form
    9,266,028.78/12,787,097.57 = 5,079,706.18/x
  3. Step 3: Cross multiply
    9,266,028.78x = 12,787,097.57 × 5,079,706.18
  4. Step 4: Simplify right side
    9,266,028.78x = 64,954,698,585,624.76
  5. Step 5: Solve for x
    x = 64,954,698,585,624.76/9,266,028.78
  6. Step 6: Final answer
    x = 7,009,982.39

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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.