Home / 7,352,606.40-11,028,909.60-5,321,320.80

Finding the Fourth Proportional to 7,352,606.40, 11,028,909.60 and 5,321,320.80

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Solution

The fourth proportional to 7,352,606.40, 11,028,909.60 and 5,321,320.80 is: 7,981,981.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,352,606.40 : 11,028,909.60 = 5,321,320.80 : x
  2. Step 2: Convert to fraction form
    7,352,606.40/11,028,909.60 = 5,321,320.80/x
  3. Step 3: Cross multiply
    7,352,606.40x = 11,028,909.60 × 5,321,320.80
  4. Step 4: Simplify right side
    7,352,606.40x = 58,688,366,055,799.68
  5. Step 5: Solve for x
    x = 58,688,366,055,799.68/7,352,606.40
  6. Step 6: Final answer
    x = 7,981,981.20

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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.