Home / 7,603,986.72-10,491,868.08-4,507,485.60

Finding the Fourth Proportional to 7,603,986.72, 10,491,868.08 and 4,507,485.60

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Solution

The fourth proportional to 7,603,986.72, 10,491,868.08 and 4,507,485.60 is: 6,219,361.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,603,986.72 : 10,491,868.08 = 4,507,485.60 : x
  2. Step 2: Convert to fraction form
    7,603,986.72/10,491,868.08 = 4,507,485.60/x
  3. Step 3: Cross multiply
    7,603,986.72x = 10,491,868.08 × 4,507,485.60
  4. Step 4: Simplify right side
    7,603,986.72x = 47,291,944,287,699.64
  5. Step 5: Solve for x
    x = 47,291,944,287,699.64/7,603,986.72
  6. Step 6: Final answer
    x = 6,219,361.77

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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.