Home / 15,551,728.80-23,327,593.20-7,898,978.40

Finding the Fourth Proportional to 15,551,728.80, 23,327,593.20 and 7,898,978.40

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Solution

The fourth proportional to 15,551,728.80, 23,327,593.20 and 7,898,978.40 is: 11,848,467.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,551,728.80 : 23,327,593.20 = 7,898,978.40 : x
  2. Step 2: Convert to fraction form
    15,551,728.80/23,327,593.20 = 7,898,978.40/x
  3. Step 3: Cross multiply
    15,551,728.80x = 23,327,593.20 × 7,898,978.40
  4. Step 4: Simplify right side
    15,551,728.80x = 184,264,154,810,786.88
  5. Step 5: Solve for x
    x = 184,264,154,810,786.88/15,551,728.80
  6. Step 6: Final answer
    x = 11,848,467.60

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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.