Home / 18,478,873.70-27,718,310.55-5,015,701.70

Finding the Fourth Proportional to 18,478,873.70, 27,718,310.55 and 5,015,701.70

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Solution

The fourth proportional to 18,478,873.70, 27,718,310.55 and 5,015,701.70 is: 7,523,552.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,478,873.70 : 27,718,310.55 = 5,015,701.70 : x
  2. Step 2: Convert to fraction form
    18,478,873.70/27,718,310.55 = 5,015,701.70/x
  3. Step 3: Cross multiply
    18,478,873.70x = 27,718,310.55 × 5,015,701.70
  4. Step 4: Simplify right side
    18,478,873.70x = 139,026,777,346,762.94
  5. Step 5: Solve for x
    x = 139,026,777,346,762.94/18,478,873.70
  6. Step 6: Final answer
    x = 7,523,552.55

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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.