Home / 12,089,152.80-18,133,729.20-4,003,376.40

Finding the Fourth Proportional to 12,089,152.80, 18,133,729.20 and 4,003,376.40

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Solution

The fourth proportional to 12,089,152.80, 18,133,729.20 and 4,003,376.40 is: 6,005,064.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,089,152.80 : 18,133,729.20 = 4,003,376.40 : x
  2. Step 2: Convert to fraction form
    12,089,152.80/18,133,729.20 = 4,003,376.40/x
  3. Step 3: Cross multiply
    12,089,152.80x = 18,133,729.20 × 4,003,376.40
  4. Step 4: Simplify right side
    12,089,152.80x = 72,596,143,523,270.88
  5. Step 5: Solve for x
    x = 72,596,143,523,270.88/12,089,152.80
  6. Step 6: Final answer
    x = 6,005,064.60

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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.