Home / 11,571,159.40-15,965,951.41-6,860,684.78

Finding the Fourth Proportional to 11,571,159.40, 15,965,951.41 and 6,860,684.78

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Solution

The fourth proportional to 11,571,159.40, 15,965,951.41 and 6,860,684.78 is: 9,466,411.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,571,159.40 : 15,965,951.41 = 6,860,684.78 : x
  2. Step 2: Convert to fraction form
    11,571,159.40/15,965,951.41 = 6,860,684.78/x
  3. Step 3: Cross multiply
    11,571,159.40x = 15,965,951.41 × 6,860,684.78
  4. Step 4: Simplify right side
    11,571,159.40x = 109,537,359,826,534.27
  5. Step 5: Solve for x
    x = 109,537,359,826,534.27/11,571,159.40
  6. Step 6: Final answer
    x = 9,466,411.79

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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.