Home / 8,619,931.26-12,929,961.70-3,826,331.82

Finding the Fourth Proportional to 8,619,931.26, 12,929,961.70 and 3,826,331.82

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Solution

The fourth proportional to 8,619,931.26, 12,929,961.70 and 3,826,331.82 is: 5,739,526.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,619,931.26 : 12,929,961.70 = 3,826,331.82 : x
  2. Step 2: Convert to fraction form
    8,619,931.26/12,929,961.70 = 3,826,331.82/x
  3. Step 3: Cross multiply
    8,619,931.26x = 12,929,961.70 × 3,826,331.82
  4. Step 4: Simplify right side
    8,619,931.26x = 49,474,323,884,091.29
  5. Step 5: Solve for x
    x = 49,474,323,884,091.29/8,619,931.26
  6. Step 6: Final answer
    x = 5,739,526.50

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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.