Home / 36,269,720.40-54,404,580.60-12,012,391.20

Finding the Fourth Proportional to 36,269,720.40, 54,404,580.60 and 12,012,391.20

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Solution

The fourth proportional to 36,269,720.40, 54,404,580.60 and 12,012,391.20 is: 18,018,586.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,269,720.40 : 54,404,580.60 = 12,012,391.20 : x
  2. Step 2: Convert to fraction form
    36,269,720.40/54,404,580.60 = 12,012,391.20/x
  3. Step 3: Cross multiply
    36,269,720.40x = 54,404,580.60 × 12,012,391.20
  4. Step 4: Simplify right side
    36,269,720.40x = 653,529,105,239,130.75
  5. Step 5: Solve for x
    x = 653,529,105,239,130.75/36,269,720.40
  6. Step 6: Final answer
    x = 18,018,586.80

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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.