Home / 28,681,645.60-43,022,468.40-26,292,858.40

Finding the Fourth Proportional to 28,681,645.60, 43,022,468.40 and 26,292,858.40

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Solution

The fourth proportional to 28,681,645.60, 43,022,468.40 and 26,292,858.40 is: 39,439,287.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,681,645.60 : 43,022,468.40 = 26,292,858.40 : x
  2. Step 2: Convert to fraction form
    28,681,645.60/43,022,468.40 = 26,292,858.40/x
  3. Step 3: Cross multiply
    28,681,645.60x = 43,022,468.40 × 26,292,858.40
  4. Step 4: Simplify right side
    28,681,645.60x = 1,131,183,669,659,674.50
  5. Step 5: Solve for x
    x = 1,131,183,669,659,674.50/28,681,645.60
  6. Step 6: Final answer
    x = 39,439,287.60

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Similar ratio
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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.