Home / 10,769,077.60-16,153,616.40-7,745,768.80

Finding the Fourth Proportional to 10,769,077.60, 16,153,616.40 and 7,745,768.80

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Solution

The fourth proportional to 10,769,077.60, 16,153,616.40 and 7,745,768.80 is: 11,618,653.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,769,077.60 : 16,153,616.40 = 7,745,768.80 : x
  2. Step 2: Convert to fraction form
    10,769,077.60/16,153,616.40 = 7,745,768.80/x
  3. Step 3: Cross multiply
    10,769,077.60x = 16,153,616.40 × 7,745,768.80
  4. Step 4: Simplify right side
    10,769,077.60x = 125,122,177,918,288.31
  5. Step 5: Solve for x
    x = 125,122,177,918,288.31/10,769,077.60
  6. Step 6: Final answer
    x = 11,618,653.20

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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.