Home / 18,976,529.96-28,464,542.70-4,599,722.30

Finding the Fourth Proportional to 18,976,529.96, 28,464,542.70 and 4,599,722.30

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Solution

The fourth proportional to 18,976,529.96, 28,464,542.70 and 4,599,722.30 is: 6,899,522.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,976,529.96 : 28,464,542.70 = 4,599,722.30 : x
  2. Step 2: Convert to fraction form
    18,976,529.96/28,464,542.70 = 4,599,722.30/x
  3. Step 3: Cross multiply
    18,976,529.96x = 28,464,542.70 × 4,599,722.30
  4. Step 4: Simplify right side
    18,976,529.96x = 130,928,991,816,492.20
  5. Step 5: Solve for x
    x = 130,928,991,816,492.20/18,976,529.96
  6. Step 6: Final answer
    x = 6,899,522.31

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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.