Home / 13,755,439.20-20,632,502.70-4,656,644.40

Finding the Fourth Proportional to 13,755,439.20, 20,632,502.70 and 4,656,644.40

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Solution

The fourth proportional to 13,755,439.20, 20,632,502.70 and 4,656,644.40 is: 6,984,744.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,755,439.20 : 20,632,502.70 = 4,656,644.40 : x
  2. Step 2: Convert to fraction form
    13,755,439.20/20,632,502.70 = 4,656,644.40/x
  3. Step 3: Cross multiply
    13,755,439.20x = 20,632,502.70 × 4,656,644.40
  4. Step 4: Simplify right side
    13,755,439.20x = 96,078,228,155,939.89
  5. Step 5: Solve for x
    x = 96,078,228,155,939.89/13,755,439.20
  6. Step 6: Final answer
    x = 6,984,744.49

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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.