Home / 13,206,560.40-19,809,840.60-7,466,997.60

Finding the Fourth Proportional to 13,206,560.40, 19,809,840.60 and 7,466,997.60

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Solution

The fourth proportional to 13,206,560.40, 19,809,840.60 and 7,466,997.60 is: 11,200,496.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,206,560.40 : 19,809,840.60 = 7,466,997.60 : x
  2. Step 2: Convert to fraction form
    13,206,560.40/19,809,840.60 = 7,466,997.60/x
  3. Step 3: Cross multiply
    13,206,560.40x = 19,809,840.60 × 7,466,997.60
  4. Step 4: Simplify right side
    13,206,560.40x = 147,920,032,216,582.56
  5. Step 5: Solve for x
    x = 147,920,032,216,582.56/13,206,560.40
  6. Step 6: Final answer
    x = 11,200,496.40

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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.