Home / 28,084,511.80-42,128,150.10-14,647,583.80

Finding the Fourth Proportional to 28,084,511.80, 42,128,150.10 and 14,647,583.80

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Solution

The fourth proportional to 28,084,511.80, 42,128,150.10 and 14,647,583.80 is: 21,972,096.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,084,511.80 : 42,128,150.10 = 14,647,583.80 : x
  2. Step 2: Convert to fraction form
    28,084,511.80/42,128,150.10 = 14,647,583.80/x
  3. Step 3: Cross multiply
    28,084,511.80x = 42,128,150.10 × 14,647,583.80
  4. Step 4: Simplify right side
    28,084,511.80x = 617,075,608,928,728.38
  5. Step 5: Solve for x
    x = 617,075,608,928,728.38/28,084,511.80
  6. Step 6: Final answer
    x = 21,972,096.70

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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.