Home / 7,719,103.71-11,564,040.72-5,152,579.83

Finding the Fourth Proportional to 7,719,103.71, 11,564,040.72 and 5,152,579.83

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Solution

The fourth proportional to 7,719,103.71, 11,564,040.72 and 5,152,579.83 is: 7,719,114.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,719,103.71 : 11,564,040.72 = 5,152,579.83 : x
  2. Step 2: Convert to fraction form
    7,719,103.71/11,564,040.72 = 5,152,579.83/x
  3. Step 3: Cross multiply
    7,719,103.71x = 11,564,040.72 × 5,152,579.83
  4. Step 4: Simplify right side
    7,719,103.71x = 59,584,642,967,170.68
  5. Step 5: Solve for x
    x = 59,584,642,967,170.68/7,719,103.71
  6. Step 6: Final answer
    x = 7,719,114.19

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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.