Home / 18,483,108.84-25,498,879.92-12,373,505.64

Finding the Fourth Proportional to 18,483,108.84, 25,498,879.92 and 12,373,505.64

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Solution

The fourth proportional to 18,483,108.84, 25,498,879.92 and 12,373,505.64 is: 17,070,209.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,483,108.84 : 25,498,879.92 = 12,373,505.64 : x
  2. Step 2: Convert to fraction form
    18,483,108.84/25,498,879.92 = 12,373,505.64/x
  3. Step 3: Cross multiply
    18,483,108.84x = 25,498,879.92 × 12,373,505.64
  4. Step 4: Simplify right side
    18,483,108.84x = 315,510,534,503,802.81
  5. Step 5: Solve for x
    x = 315,510,534,503,802.81/18,483,108.84
  6. Step 6: Final answer
    x = 17,070,209.20

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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.