Home / 13,298,009.55-19,947,019.79-3,200,630.55

Finding the Fourth Proportional to 13,298,009.55, 19,947,019.79 and 3,200,630.55

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Solution

The fourth proportional to 13,298,009.55, 19,947,019.79 and 3,200,630.55 is: 4,800,947.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,298,009.55 : 19,947,019.79 = 3,200,630.55 : x
  2. Step 2: Convert to fraction form
    13,298,009.55/19,947,019.79 = 3,200,630.55/x
  3. Step 3: Cross multiply
    13,298,009.55x = 19,947,019.79 × 3,200,630.55
  4. Step 4: Simplify right side
    13,298,009.55x = 63,843,040,921,328.58
  5. Step 5: Solve for x
    x = 63,843,040,921,328.58/13,298,009.55
  6. Step 6: Final answer
    x = 4,800,947.14

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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.