Home / 8,121,787.79-12,184,217.91-3,264,472.40

Finding the Fourth Proportional to 8,121,787.79, 12,184,217.91 and 3,264,472.40

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Solution

The fourth proportional to 8,121,787.79, 12,184,217.91 and 3,264,472.40 is: 4,897,326.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,121,787.79 : 12,184,217.91 = 3,264,472.40 : x
  2. Step 2: Convert to fraction form
    8,121,787.79/12,184,217.91 = 3,264,472.40/x
  3. Step 3: Cross multiply
    8,121,787.79x = 12,184,217.91 × 3,264,472.40
  4. Step 4: Simplify right side
    8,121,787.79x = 39,775,043,021,859.59
  5. Step 5: Solve for x
    x = 39,775,043,021,859.59/8,121,787.79
  6. Step 6: Final answer
    x = 4,897,326.07

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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.