Home / 21,792,112.80-32,688,169.20-18,544,855.20

Finding the Fourth Proportional to 21,792,112.80, 32,688,169.20 and 18,544,855.20

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Solution

The fourth proportional to 21,792,112.80, 32,688,169.20 and 18,544,855.20 is: 27,817,282.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,792,112.80 : 32,688,169.20 = 18,544,855.20 : x
  2. Step 2: Convert to fraction form
    21,792,112.80/32,688,169.20 = 18,544,855.20/x
  3. Step 3: Cross multiply
    21,792,112.80x = 32,688,169.20 × 18,544,855.20
  4. Step 4: Simplify right side
    21,792,112.80x = 606,197,364,567,099.75
  5. Step 5: Solve for x
    x = 606,197,364,567,099.75/21,792,112.80
  6. Step 6: Final answer
    x = 27,817,282.80

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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.