Home / 28,116,809.02-42,131,586.30-19,497,720.52

Finding the Fourth Proportional to 28,116,809.02, 42,131,586.30 and 19,497,720.52

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Solution

The fourth proportional to 28,116,809.02, 42,131,586.30 and 19,497,720.52 is: 29,216,327.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,116,809.02 : 42,131,586.30 = 19,497,720.52 : x
  2. Step 2: Convert to fraction form
    28,116,809.02/42,131,586.30 = 19,497,720.52/x
  3. Step 3: Cross multiply
    28,116,809.02x = 42,131,586.30 × 19,497,720.52
  4. Step 4: Simplify right side
    28,116,809.02x = 821,469,894,741,660.75
  5. Step 5: Solve for x
    x = 821,469,894,741,660.75/28,116,809.02
  6. Step 6: Final answer
    x = 29,216,327.29

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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.