Home / 21,037,288.20-31,561,837.20-10,254,940.80

Finding the Fourth Proportional to 21,037,288.20, 31,561,837.20 and 10,254,940.80

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Solution

The fourth proportional to 21,037,288.20, 31,561,837.20 and 10,254,940.80 is: 15,385,289.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,037,288.20 : 31,561,837.20 = 10,254,940.80 : x
  2. Step 2: Convert to fraction form
    21,037,288.20/31,561,837.20 = 10,254,940.80/x
  3. Step 3: Cross multiply
    21,037,288.20x = 31,561,837.20 × 10,254,940.80
  4. Step 4: Simplify right side
    21,037,288.20x = 323,664,772,025,237.75
  5. Step 5: Solve for x
    x = 323,664,772,025,237.75/21,037,288.20
  6. Step 6: Final answer
    x = 15,385,289.63

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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.