Home / 21,098,509.44-31,647,431.04-6,721,454.40

Finding the Fourth Proportional to 21,098,509.44, 31,647,431.04 and 6,721,454.40

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Solution

The fourth proportional to 21,098,509.44, 31,647,431.04 and 6,721,454.40 is: 10,082,075.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,098,509.44 : 31,647,431.04 = 6,721,454.40 : x
  2. Step 2: Convert to fraction form
    21,098,509.44/31,647,431.04 = 6,721,454.40/x
  3. Step 3: Cross multiply
    21,098,509.44x = 31,647,431.04 × 6,721,454.40
  4. Step 4: Simplify right side
    21,098,509.44x = 212,716,764,612,504.59
  5. Step 5: Solve for x
    x = 212,716,764,612,504.59/21,098,509.44
  6. Step 6: Final answer
    x = 10,082,075.48

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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.