Home / 13,298,008.55-19,947,018.29-3,200,629.55

Finding the Fourth Proportional to 13,298,008.55, 19,947,018.29 and 3,200,629.55

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Solution

The fourth proportional to 13,298,008.55, 19,947,018.29 and 3,200,629.55 is: 4,800,945.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,298,008.55 : 19,947,018.29 = 3,200,629.55 : x
  2. Step 2: Convert to fraction form
    13,298,008.55/19,947,018.29 = 3,200,629.55/x
  3. Step 3: Cross multiply
    13,298,008.55x = 19,947,018.29 × 3,200,629.55
  4. Step 4: Simplify right side
    13,298,008.55x = 63,843,016,057,626.23
  5. Step 5: Solve for x
    x = 63,843,016,057,626.23/13,298,008.55
  6. Step 6: Final answer
    x = 4,800,945.63

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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.