Home / 36,145,632.20-54,260,438.70-21,784,915.40

Finding the Fourth Proportional to 36,145,632.20, 54,260,438.70 and 21,784,915.40

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Solution

The fourth proportional to 36,145,632.20, 54,260,438.70 and 21,784,915.40 is: 32,702,680.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,145,632.20 : 54,260,438.70 = 21,784,915.40 : x
  2. Step 2: Convert to fraction form
    36,145,632.20/54,260,438.70 = 21,784,915.40/x
  3. Step 3: Cross multiply
    36,145,632.20x = 54,260,438.70 × 21,784,915.40
  4. Step 4: Simplify right side
    36,145,632.20x = 1,182,059,066,646,386
  5. Step 5: Solve for x
    x = 1,182,059,066,646,386/36,145,632.20
  6. Step 6: Final answer
    x = 32,702,680.65

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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.