Home / 7,111,223.05-9,813,419.43-3,847,966.33

Finding the Fourth Proportional to 7,111,223.05, 9,813,419.43 and 3,847,966.33

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Solution

The fourth proportional to 7,111,223.05, 9,813,419.43 and 3,847,966.33 is: 5,310,156.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,111,223.05 : 9,813,419.43 = 3,847,966.33 : x
  2. Step 2: Convert to fraction form
    7,111,223.05/9,813,419.43 = 3,847,966.33/x
  3. Step 3: Cross multiply
    7,111,223.05x = 9,813,419.43 × 3,847,966.33
  4. Step 4: Simplify right side
    7,111,223.05x = 37,761,707,548,807.79
  5. Step 5: Solve for x
    x = 37,761,707,548,807.79/7,111,223.05
  6. Step 6: Final answer
    x = 5,310,156.53

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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.