Home / 11,157,629.20-16,736,443.80-7,543,830.40

Finding the Fourth Proportional to 11,157,629.20, 16,736,443.80 and 7,543,830.40

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Solution

The fourth proportional to 11,157,629.20, 16,736,443.80 and 7,543,830.40 is: 11,315,745.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,157,629.20 : 16,736,443.80 = 7,543,830.40 : x
  2. Step 2: Convert to fraction form
    11,157,629.20/16,736,443.80 = 7,543,830.40/x
  3. Step 3: Cross multiply
    11,157,629.20x = 16,736,443.80 × 7,543,830.40
  4. Step 4: Simplify right side
    11,157,629.20x = 126,256,893,526,331.53
  5. Step 5: Solve for x
    x = 126,256,893,526,331.53/11,157,629.20
  6. Step 6: Final answer
    x = 11,315,745.60

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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.