Home / 26,561,975.20-39,842,962.80-19,339,626.40

Finding the Fourth Proportional to 26,561,975.20, 39,842,962.80 and 19,339,626.40

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Solution

The fourth proportional to 26,561,975.20, 39,842,962.80 and 19,339,626.40 is: 29,009,439.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,561,975.20 : 39,842,962.80 = 19,339,626.40 : x
  2. Step 2: Convert to fraction form
    26,561,975.20/39,842,962.80 = 19,339,626.40/x
  3. Step 3: Cross multiply
    26,561,975.20x = 39,842,962.80 × 19,339,626.40
  4. Step 4: Simplify right side
    26,561,975.20x = 770,548,015,221,097.75
  5. Step 5: Solve for x
    x = 770,548,015,221,097.75/26,561,975.20
  6. Step 6: Final answer
    x = 29,009,439.60

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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.