Home / 13,028,502.20-19,533,422.10-5,451,567.80

Finding the Fourth Proportional to 13,028,502.20, 19,533,422.10 and 5,451,567.80

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Solution

The fourth proportional to 13,028,502.20, 19,533,422.10 and 5,451,567.80 is: 8,173,447.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,028,502.20 : 19,533,422.10 = 5,451,567.80 : x
  2. Step 2: Convert to fraction form
    13,028,502.20/19,533,422.10 = 5,451,567.80/x
  3. Step 3: Cross multiply
    13,028,502.20x = 19,533,422.10 × 5,451,567.80
  4. Step 4: Simplify right side
    13,028,502.20x = 106,487,774,944,168.39
  5. Step 5: Solve for x
    x = 106,487,774,944,168.39/13,028,502.20
  6. Step 6: Final answer
    x = 8,173,447.21

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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.