Home / 7,117,832-9,822,556.78-3,854,571.02

Finding the Fourth Proportional to 7,117,832, 9,822,556.78 and 3,854,571.02

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Solution

The fourth proportional to 7,117,832, 9,822,556.78 and 3,854,571.02 is: 5,319,280.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117,832 : 9,822,556.78 = 3,854,571.02 : x
  2. Step 2: Convert to fraction form
    7,117,832/9,822,556.78 = 3,854,571.02/x
  3. Step 3: Cross multiply
    7,117,832x = 9,822,556.78 × 3,854,571.02
  4. Step 4: Simplify right side
    7,117,832x = 37,861,742,706,492.52
  5. Step 5: Solve for x
    x = 37,861,742,706,492.52/7,117,832
  6. Step 6: Final answer
    x = 5,319,280.18

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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.