Home / 28,534,551.75-42,792,836.61-9,360,840.87

Finding the Fourth Proportional to 28,534,551.75, 42,792,836.61 and 9,360,840.87

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Solution

The fourth proportional to 28,534,551.75, 42,792,836.61 and 9,360,840.87 is: 14,038,311.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,534,551.75 : 42,792,836.61 = 9,360,840.87 : x
  2. Step 2: Convert to fraction form
    28,534,551.75/42,792,836.61 = 9,360,840.87/x
  3. Step 3: Cross multiply
    28,534,551.75x = 42,792,836.61 × 9,360,840.87
  4. Step 4: Simplify right side
    28,534,551.75x = 400,576,933,882,120.19
  5. Step 5: Solve for x
    x = 400,576,933,882,120.19/28,534,551.75
  6. Step 6: Final answer
    x = 14,038,311.78

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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.