Home / 18,144,619.80-27,216,929.70-9,620,568.60

Finding the Fourth Proportional to 18,144,619.80, 27,216,929.70 and 9,620,568.60

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Solution

The fourth proportional to 18,144,619.80, 27,216,929.70 and 9,620,568.60 is: 14,430,852.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144,619.80 : 27,216,929.70 = 9,620,568.60 : x
  2. Step 2: Convert to fraction form
    18,144,619.80/27,216,929.70 = 9,620,568.60/x
  3. Step 3: Cross multiply
    18,144,619.80x = 27,216,929.70 × 9,620,568.60
  4. Step 4: Simplify right side
    18,144,619.80x = 261,842,339,260,227.41
  5. Step 5: Solve for x
    x = 261,842,339,260,227.41/18,144,619.80
  6. Step 6: Final answer
    x = 14,430,852.90

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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.