Home / 9,389,204.34-12,957,420.39-5,259,411.78

Finding the Fourth Proportional to 9,389,204.34, 12,957,420.39 and 5,259,411.78

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Solution

The fourth proportional to 9,389,204.34, 12,957,420.39 and 5,259,411.78 is: 7,258,166.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,389,204.34 : 12,957,420.39 = 5,259,411.78 : x
  2. Step 2: Convert to fraction form
    9,389,204.34/12,957,420.39 = 5,259,411.78/x
  3. Step 3: Cross multiply
    9,389,204.34x = 12,957,420.39 × 5,259,411.78
  4. Step 4: Simplify right side
    9,389,204.34x = 68,148,409,437,578.20
  5. Step 5: Solve for x
    x = 68,148,409,437,578.20/9,389,204.34
  6. Step 6: Final answer
    x = 7,258,166.61

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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.