Home / 7,230,574.12-9,977,858.34-3,967,307.56

Finding the Fourth Proportional to 7,230,574.12, 9,977,858.34 and 3,967,307.56

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Solution

The fourth proportional to 7,230,574.12, 9,977,858.34 and 3,967,307.56 is: 5,474,701.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,230,574.12 : 9,977,858.34 = 3,967,307.56 : x
  2. Step 2: Convert to fraction form
    7,230,574.12/9,977,858.34 = 3,967,307.56/x
  3. Step 3: Cross multiply
    7,230,574.12x = 9,977,858.34 × 3,967,307.56
  4. Step 4: Simplify right side
    7,230,574.12x = 39,585,232,824,891.05
  5. Step 5: Solve for x
    x = 39,585,232,824,891.05/7,230,574.12
  6. Step 6: Final answer
    x = 5,474,701.20

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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.