Home / 7,769,216.40-11,653,824.60-7,619,917.20

Finding the Fourth Proportional to 7,769,216.40, 11,653,824.60 and 7,619,917.20

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Solution

The fourth proportional to 7,769,216.40, 11,653,824.60 and 7,619,917.20 is: 11,429,875.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,769,216.40 : 11,653,824.60 = 7,619,917.20 : x
  2. Step 2: Convert to fraction form
    7,769,216.40/11,653,824.60 = 7,619,917.20/x
  3. Step 3: Cross multiply
    7,769,216.40x = 11,653,824.60 × 7,619,917.20
  4. Step 4: Simplify right side
    7,769,216.40x = 88,801,178,515,323.12
  5. Step 5: Solve for x
    x = 88,801,178,515,323.12/7,769,216.40
  6. Step 6: Final answer
    x = 11,429,875.80

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1.5x scale

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.