Home / 8,260,579.33-12,390,868.91-3,141,826.72

Finding the Fourth Proportional to 8,260,579.33, 12,390,868.91 and 3,141,826.72

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Solution

The fourth proportional to 8,260,579.33, 12,390,868.91 and 3,141,826.72 is: 4,712,740.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,260,579.33 : 12,390,868.91 = 3,141,826.72 : x
  2. Step 2: Convert to fraction form
    8,260,579.33/12,390,868.91 = 3,141,826.72/x
  3. Step 3: Cross multiply
    8,260,579.33x = 12,390,868.91 × 3,141,826.72
  4. Step 4: Simplify right side
    8,260,579.33x = 38,929,963,002,332.66
  5. Step 5: Solve for x
    x = 38,929,963,002,332.66/8,260,579.33
  6. Step 6: Final answer
    x = 4,712,740.05

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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.