Home / 15,477,902.20-23,216,853.30-8,759,438.20

Finding the Fourth Proportional to 15,477,902.20, 23,216,853.30 and 8,759,438.20

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Solution

The fourth proportional to 15,477,902.20, 23,216,853.30 and 8,759,438.20 is: 13,139,157.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,477,902.20 : 23,216,853.30 = 8,759,438.20 : x
  2. Step 2: Convert to fraction form
    15,477,902.20/23,216,853.30 = 8,759,438.20/x
  3. Step 3: Cross multiply
    15,477,902.20x = 23,216,853.30 × 8,759,438.20
  4. Step 4: Simplify right side
    15,477,902.20x = 203,366,591,679,816.06
  5. Step 5: Solve for x
    x = 203,366,591,679,816.06/15,477,902.20
  6. Step 6: Final answer
    x = 13,139,157.30

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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.