Home / 13,484,834.40-20,227,251.60-7,819,629.60

Finding the Fourth Proportional to 13,484,834.40, 20,227,251.60 and 7,819,629.60

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Solution

The fourth proportional to 13,484,834.40, 20,227,251.60 and 7,819,629.60 is: 11,729,444.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,484,834.40 : 20,227,251.60 = 7,819,629.60 : x
  2. Step 2: Convert to fraction form
    13,484,834.40/20,227,251.60 = 7,819,629.60/x
  3. Step 3: Cross multiply
    13,484,834.40x = 20,227,251.60 × 7,819,629.60
  4. Step 4: Simplify right side
    13,484,834.40x = 158,169,615,338,007.38
  5. Step 5: Solve for x
    x = 158,169,615,338,007.38/13,484,834.40
  6. Step 6: Final answer
    x = 11,729,444.40

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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.