Home / 13,460,427.05-20,190,640.58-8,085,655.85

Finding the Fourth Proportional to 13,460,427.05, 20,190,640.58 and 8,085,655.85

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Solution

The fourth proportional to 13,460,427.05, 20,190,640.58 and 8,085,655.85 is: 12,128,483.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,460,427.05 : 20,190,640.58 = 8,085,655.85 : x
  2. Step 2: Convert to fraction form
    13,460,427.05/20,190,640.58 = 8,085,655.85/x
  3. Step 3: Cross multiply
    13,460,427.05x = 20,190,640.58 × 8,085,655.85
  4. Step 4: Simplify right side
    13,460,427.05x = 163,254,571,080,496.09
  5. Step 5: Solve for x
    x = 163,254,571,080,496.09/13,460,427.05
  6. Step 6: Final answer
    x = 12,128,483.78

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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.