Home / 13,133,633.20-19,700,449.80-12,389,615.80

Finding the Fourth Proportional to 13,133,633.20, 19,700,449.80 and 12,389,615.80

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Solution

The fourth proportional to 13,133,633.20, 19,700,449.80 and 12,389,615.80 is: 18,584,423.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,133,633.20 : 19,700,449.80 = 12,389,615.80 : x
  2. Step 2: Convert to fraction form
    13,133,633.20/19,700,449.80 = 12,389,615.80/x
  3. Step 3: Cross multiply
    13,133,633.20x = 19,700,449.80 × 12,389,615.80
  4. Step 4: Simplify right side
    13,133,633.20x = 244,081,004,109,186.88
  5. Step 5: Solve for x
    x = 244,081,004,109,186.88/13,133,633.20
  6. Step 6: Final answer
    x = 18,584,423.70

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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.