Home / 13,120,622.40-19,680,933.60-3,535,982.40

Finding the Fourth Proportional to 13,120,622.40, 19,680,933.60 and 3,535,982.40

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Solution

The fourth proportional to 13,120,622.40, 19,680,933.60 and 3,535,982.40 is: 5,303,973.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,120,622.40 : 19,680,933.60 = 3,535,982.40 : x
  2. Step 2: Convert to fraction form
    13,120,622.40/19,680,933.60 = 3,535,982.40/x
  3. Step 3: Cross multiply
    13,120,622.40x = 19,680,933.60 × 3,535,982.40
  4. Step 4: Simplify right side
    13,120,622.40x = 69,591,434,825,168.64
  5. Step 5: Solve for x
    x = 69,591,434,825,168.64/13,120,622.40
  6. Step 6: Final answer
    x = 5,303,973.60

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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.