Home / 43,928,972.80-65,905,900.80-13,639,897.60

Finding the Fourth Proportional to 43,928,972.80, 65,905,900.80 and 13,639,897.60

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Solution

The fourth proportional to 43,928,972.80, 65,905,900.80 and 13,639,897.60 is: 20,463,709.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,928,972.80 : 65,905,900.80 = 13,639,897.60 : x
  2. Step 2: Convert to fraction form
    43,928,972.80/65,905,900.80 = 13,639,897.60/x
  3. Step 3: Cross multiply
    43,928,972.80x = 65,905,900.80 × 13,639,897.60
  4. Step 4: Simplify right side
    43,928,972.80x = 898,949,738,147,758
  5. Step 5: Solve for x
    x = 898,949,738,147,758/43,928,972.80
  6. Step 6: Final answer
    x = 20,463,709.50

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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.