Home / 9,839,172.72-13,578,075.72-5,428,797.24

Finding the Fourth Proportional to 9,839,172.72, 13,578,075.72 and 5,428,797.24

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Solution

The fourth proportional to 9,839,172.72, 13,578,075.72 and 5,428,797.24 is: 7,491,749.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,839,172.72 : 13,578,075.72 = 5,428,797.24 : x
  2. Step 2: Convert to fraction form
    9,839,172.72/13,578,075.72 = 5,428,797.24/x
  3. Step 3: Cross multiply
    9,839,172.72x = 13,578,075.72 × 5,428,797.24
  4. Step 4: Simplify right side
    9,839,172.72x = 73,712,619,993,247.02
  5. Step 5: Solve for x
    x = 73,712,619,993,247.02/9,839,172.72
  6. Step 6: Final answer
    x = 7,491,749.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.