Home / 13,610,390.80-20,415,586.20-5,090,276.20

Finding the Fourth Proportional to 13,610,390.80, 20,415,586.20 and 5,090,276.20

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Solution

The fourth proportional to 13,610,390.80, 20,415,586.20 and 5,090,276.20 is: 7,635,414.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,610,390.80 : 20,415,586.20 = 5,090,276.20 : x
  2. Step 2: Convert to fraction form
    13,610,390.80/20,415,586.20 = 5,090,276.20/x
  3. Step 3: Cross multiply
    13,610,390.80x = 20,415,586.20 × 5,090,276.20
  4. Step 4: Simplify right side
    13,610,390.80x = 103,920,972,542,908.44
  5. Step 5: Solve for x
    x = 103,920,972,542,908.44/13,610,390.80
  6. Step 6: Final answer
    x = 7,635,414.30

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1.5x scale

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.