Home / 8,939,710.80-13,409,566.20-2,956,078.80

Finding the Fourth Proportional to 8,939,710.80, 13,409,566.20 and 2,956,078.80

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Solution

The fourth proportional to 8,939,710.80, 13,409,566.20 and 2,956,078.80 is: 4,434,118.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,939,710.80 : 13,409,566.20 = 2,956,078.80 : x
  2. Step 2: Convert to fraction form
    8,939,710.80/13,409,566.20 = 2,956,078.80/x
  3. Step 3: Cross multiply
    8,939,710.80x = 13,409,566.20 × 2,956,078.80
  4. Step 4: Simplify right side
    8,939,710.80x = 39,639,734,361,016.55
  5. Step 5: Solve for x
    x = 39,639,734,361,016.55/8,939,710.80
  6. Step 6: Final answer
    x = 4,434,118.20

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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.