Home / 17,109,619.20-25,664,428.80-5,142,355.20

Finding the Fourth Proportional to 17,109,619.20, 25,664,428.80 and 5,142,355.20

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Solution

The fourth proportional to 17,109,619.20, 25,664,428.80 and 5,142,355.20 is: 7,713,532.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,109,619.20 : 25,664,428.80 = 5,142,355.20 : x
  2. Step 2: Convert to fraction form
    17,109,619.20/25,664,428.80 = 5,142,355.20/x
  3. Step 3: Cross multiply
    17,109,619.20x = 25,664,428.80 × 5,142,355.20
  4. Step 4: Simplify right side
    17,109,619.20x = 131,975,608,894,709.77
  5. Step 5: Solve for x
    x = 131,975,608,894,709.77/17,109,619.20
  6. Step 6: Final answer
    x = 7,713,532.80

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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.