Home / 8,158,228.80-12,240,842.40-4,169,140.80

Finding the Fourth Proportional to 8,158,228.80, 12,240,842.40 and 4,169,140.80

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Solution

The fourth proportional to 8,158,228.80, 12,240,842.40 and 4,169,140.80 is: 6,255,499.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,158,228.80 : 12,240,842.40 = 4,169,140.80 : x
  2. Step 2: Convert to fraction form
    8,158,228.80/12,240,842.40 = 4,169,140.80/x
  3. Step 3: Cross multiply
    8,158,228.80x = 12,240,842.40 × 4,169,140.80
  4. Step 4: Simplify right side
    8,158,228.80x = 51,033,795,476,209.92
  5. Step 5: Solve for x
    x = 51,033,795,476,209.92/8,158,228.80
  6. Step 6: Final answer
    x = 6,255,499.41

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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.