Home / 20,906,273.60-28,783,920.64-17,838,175.04

Finding the Fourth Proportional to 20,906,273.60, 28,783,920.64 and 17,838,175.04

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Solution

The fourth proportional to 20,906,273.60, 28,783,920.64 and 17,838,175.04 is: 24,559,738.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,906,273.60 : 28,783,920.64 = 17,838,175.04 : x
  2. Step 2: Convert to fraction form
    20,906,273.60/28,783,920.64 = 17,838,175.04/x
  3. Step 3: Cross multiply
    20,906,273.60x = 28,783,920.64 × 17,838,175.04
  4. Step 4: Simplify right side
    20,906,273.60x = 513,452,614,713,788.81
  5. Step 5: Solve for x
    x = 513,452,614,713,788.81/20,906,273.60
  6. Step 6: Final answer
    x = 24,559,738.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.