Home / 36,270,136.40-54,405,204.60-12,012,807.20

Finding the Fourth Proportional to 36,270,136.40, 54,405,204.60 and 12,012,807.20

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Solution

The fourth proportional to 36,270,136.40, 54,405,204.60 and 12,012,807.20 is: 18,019,210.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,270,136.40 : 54,405,204.60 = 12,012,807.20 : x
  2. Step 2: Convert to fraction form
    36,270,136.40/54,405,204.60 = 12,012,807.20/x
  3. Step 3: Cross multiply
    36,270,136.40x = 54,405,204.60 × 12,012,807.20
  4. Step 4: Simplify right side
    36,270,136.40x = 653,559,233,536,353.12
  5. Step 5: Solve for x
    x = 653,559,233,536,353.12/36,270,136.40
  6. Step 6: Final answer
    x = 18,019,210.80

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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.