Home / 21,384,280.80-32,074,809.84-6,810,612.48

Finding the Fourth Proportional to 21,384,280.80, 32,074,809.84 and 6,810,612.48

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Solution

The fourth proportional to 21,384,280.80, 32,074,809.84 and 6,810,612.48 is: 10,215,405.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,384,280.80 : 32,074,809.84 = 6,810,612.48 : x
  2. Step 2: Convert to fraction form
    21,384,280.80/32,074,809.84 = 6,810,612.48/x
  3. Step 3: Cross multiply
    21,384,280.80x = 32,074,809.84 × 6,810,612.48
  4. Step 4: Simplify right side
    21,384,280.80x = 218,449,100,189,930.81
  5. Step 5: Solve for x
    x = 218,449,100,189,930.81/21,384,280.80
  6. Step 6: Final answer
    x = 10,215,405.52

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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.