Home / 13,440,393.20-20,163,214.20-5,351,992.40

Finding the Fourth Proportional to 13,440,393.20, 20,163,214.20 and 5,351,992.40

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Solution

The fourth proportional to 13,440,393.20, 20,163,214.20 and 5,351,992.40 is: 8,029,033.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,440,393.20 : 20,163,214.20 = 5,351,992.40 : x
  2. Step 2: Convert to fraction form
    13,440,393.20/20,163,214.20 = 5,351,992.40/x
  3. Step 3: Cross multiply
    13,440,393.20x = 20,163,214.20 × 5,351,992.40
  4. Step 4: Simplify right side
    13,440,393.20x = 107,913,369,157,972.08
  5. Step 5: Solve for x
    x = 107,913,369,157,972.08/13,440,393.20
  6. Step 6: Final answer
    x = 8,029,033.64

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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.