Home / 18,426,153-27,643,273.04-5,647,618.92

Finding the Fourth Proportional to 18,426,153, 27,643,273.04 and 5,647,618.92

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Solution

The fourth proportional to 18,426,153, 27,643,273.04 and 5,647,618.92 is: 8,472,667.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,426,153 : 27,643,273.04 = 5,647,618.92 : x
  2. Step 2: Convert to fraction form
    18,426,153/27,643,273.04 = 5,647,618.92/x
  3. Step 3: Cross multiply
    18,426,153x = 27,643,273.04 × 5,647,618.92
  4. Step 4: Simplify right side
    18,426,153x = 156,118,671,831,429.91
  5. Step 5: Solve for x
    x = 156,118,671,831,429.91/18,426,153
  6. Step 6: Final answer
    x = 8,472,667.73

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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.