Home / 8,119,726.02-12,179,786.70-2,728,454.58

Finding the Fourth Proportional to 8,119,726.02, 12,179,786.70 and 2,728,454.58

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Solution

The fourth proportional to 8,119,726.02, 12,179,786.70 and 2,728,454.58 is: 4,092,748.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,119,726.02 : 12,179,786.70 = 2,728,454.58 : x
  2. Step 2: Convert to fraction form
    8,119,726.02/12,179,786.70 = 2,728,454.58/x
  3. Step 3: Cross multiply
    8,119,726.02x = 12,179,786.70 × 2,728,454.58
  4. Step 4: Simplify right side
    8,119,726.02x = 33,231,994,805,038.09
  5. Step 5: Solve for x
    x = 33,231,994,805,038.09/8,119,726.02
  6. Step 6: Final answer
    x = 4,092,748.29

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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.