Home / 10,769,029.60-16,153,544.40-7,745,720.80

Finding the Fourth Proportional to 10,769,029.60, 16,153,544.40 and 7,745,720.80

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Solution

The fourth proportional to 10,769,029.60, 16,153,544.40 and 7,745,720.80 is: 11,618,581.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,769,029.60 : 16,153,544.40 = 7,745,720.80 : x
  2. Step 2: Convert to fraction form
    10,769,029.60/16,153,544.40 = 7,745,720.80/x
  3. Step 3: Cross multiply
    10,769,029.60x = 16,153,544.40 × 7,745,720.80
  4. Step 4: Simplify right side
    10,769,029.60x = 125,120,844,852,803.52
  5. Step 5: Solve for x
    x = 125,120,844,852,803.52/10,769,029.60
  6. Step 6: Final answer
    x = 11,618,581.20

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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.