Home / 8,161,840.40-12,228,763.80-3,892,816.40

Finding the Fourth Proportional to 8,161,840.40, 12,228,763.80 and 3,892,816.40

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Solution

The fourth proportional to 8,161,840.40, 12,228,763.80 and 3,892,816.40 is: 5,832,548.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,161,840.40 : 12,228,763.80 = 3,892,816.40 : x
  2. Step 2: Convert to fraction form
    8,161,840.40/12,228,763.80 = 3,892,816.40/x
  3. Step 3: Cross multiply
    8,161,840.40x = 12,228,763.80 × 3,892,816.40
  4. Step 4: Simplify right side
    8,161,840.40x = 47,604,332,272,366.32
  5. Step 5: Solve for x
    x = 47,604,332,272,366.32/8,161,840.40
  6. Step 6: Final answer
    x = 5,832,548.78

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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.