Home / 13,608,438.30-20,412,657.45-4,632,990.30

Finding the Fourth Proportional to 13,608,438.30, 20,412,657.45 and 4,632,990.30

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Solution

The fourth proportional to 13,608,438.30, 20,412,657.45 and 4,632,990.30 is: 6,949,485.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608,438.30 : 20,412,657.45 = 4,632,990.30 : x
  2. Step 2: Convert to fraction form
    13,608,438.30/20,412,657.45 = 4,632,990.30/x
  3. Step 3: Cross multiply
    13,608,438.30x = 20,412,657.45 × 4,632,990.30
  4. Step 4: Simplify right side
    13,608,438.30x = 94,571,643,963,072.73
  5. Step 5: Solve for x
    x = 94,571,643,963,072.73/13,608,438.30
  6. Step 6: Final answer
    x = 6,949,485.45

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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.