Home / 14,209,998.40-21,314,997.60-5,238,049.60

Finding the Fourth Proportional to 14,209,998.40, 21,314,997.60 and 5,238,049.60

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Solution

The fourth proportional to 14,209,998.40, 21,314,997.60 and 5,238,049.60 is: 7,857,074.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,209,998.40 : 21,314,997.60 = 5,238,049.60 : x
  2. Step 2: Convert to fraction form
    14,209,998.40/21,314,997.60 = 5,238,049.60/x
  3. Step 3: Cross multiply
    14,209,998.40x = 21,314,997.60 × 5,238,049.60
  4. Step 4: Simplify right side
    14,209,998.40x = 111,649,014,652,680.95
  5. Step 5: Solve for x
    x = 111,649,014,652,680.95/14,209,998.40
  6. Step 6: Final answer
    x = 7,857,074.40

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Double scale
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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.