Home / 8,939,810.20-13,409,715.30-3,260,219.80

Finding the Fourth Proportional to 8,939,810.20, 13,409,715.30 and 3,260,219.80

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Solution

The fourth proportional to 8,939,810.20, 13,409,715.30 and 3,260,219.80 is: 4,890,329.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,939,810.20 : 13,409,715.30 = 3,260,219.80 : x
  2. Step 2: Convert to fraction form
    8,939,810.20/13,409,715.30 = 3,260,219.80/x
  3. Step 3: Cross multiply
    8,939,810.20x = 13,409,715.30 × 3,260,219.80
  4. Step 4: Simplify right side
    8,939,810.20x = 43,718,619,333,422.94
  5. Step 5: Solve for x
    x = 43,718,619,333,422.94/8,939,810.20
  6. Step 6: Final answer
    x = 4,890,329.70

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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.