Home / 13,085,840.20-19,631,870.70-5,508,905.80

Finding the Fourth Proportional to 13,085,840.20, 19,631,870.70 and 5,508,905.80

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Solution

The fourth proportional to 13,085,840.20, 19,631,870.70 and 5,508,905.80 is: 8,264,668.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,085,840.20 : 19,631,870.70 = 5,508,905.80 : x
  2. Step 2: Convert to fraction form
    13,085,840.20/19,631,870.70 = 5,508,905.80/x
  3. Step 3: Cross multiply
    13,085,840.20x = 19,631,870.70 × 5,508,905.80
  4. Step 4: Simplify right side
    13,085,840.20x = 108,150,126,364,080.05
  5. Step 5: Solve for x
    x = 108,150,126,364,080.05/13,085,840.20
  6. Step 6: Final answer
    x = 8,264,668.12

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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.