Home / 36,145,389.70-54,260,074.95-21,784,672.90

Finding the Fourth Proportional to 36,145,389.70, 54,260,074.95 and 21,784,672.90

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Solution

The fourth proportional to 36,145,389.70, 54,260,074.95 and 21,784,672.90 is: 32,702,316.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,145,389.70 : 54,260,074.95 = 21,784,672.90 : x
  2. Step 2: Convert to fraction form
    36,145,389.70/54,260,074.95 = 21,784,672.90/x
  3. Step 3: Cross multiply
    36,145,389.70x = 54,260,074.95 × 21,784,672.90
  4. Step 4: Simplify right side
    36,145,389.70x = 1,182,037,984,315,233.75
  5. Step 5: Solve for x
    x = 1,182,037,984,315,233.75/36,145,389.70
  6. Step 6: Final answer
    x = 32,702,316.79

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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.