Home / 21,493,371.20-32,240,056.80-18,694,011.20

Finding the Fourth Proportional to 21,493,371.20, 32,240,056.80 and 18,694,011.20

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Solution

The fourth proportional to 21,493,371.20, 32,240,056.80 and 18,694,011.20 is: 28,041,016.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,493,371.20 : 32,240,056.80 = 18,694,011.20 : x
  2. Step 2: Convert to fraction form
    21,493,371.20/32,240,056.80 = 18,694,011.20/x
  3. Step 3: Cross multiply
    21,493,371.20x = 32,240,056.80 × 18,694,011.20
  4. Step 4: Simplify right side
    21,493,371.20x = 602,695,982,907,836.12
  5. Step 5: Solve for x
    x = 602,695,982,907,836.12/21,493,371.20
  6. Step 6: Final answer
    x = 28,041,016.80

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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.