Home / 11,821,397.70-17,706,435.75-7,258,596.42

Finding the Fourth Proportional to 11,821,397.70, 17,706,435.75 and 7,258,596.42

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Solution

The fourth proportional to 11,821,397.70, 17,706,435.75 and 7,258,596.42 is: 10,872,138.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,821,397.70 : 17,706,435.75 = 7,258,596.42 : x
  2. Step 2: Convert to fraction form
    11,821,397.70/17,706,435.75 = 7,258,596.42/x
  3. Step 3: Cross multiply
    11,821,397.70x = 17,706,435.75 × 7,258,596.42
  4. Step 4: Simplify right side
    11,821,397.70x = 128,523,871,145,910.02
  5. Step 5: Solve for x
    x = 128,523,871,145,910.02/11,821,397.70
  6. Step 6: Final answer
    x = 10,872,138.34

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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.