Home / 12,505,458.64-18,754,813.12-4,417,369.48

Finding the Fourth Proportional to 12,505,458.64, 18,754,813.12 and 4,417,369.48

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Solution

The fourth proportional to 12,505,458.64, 18,754,813.12 and 4,417,369.48 is: 6,624,862.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,505,458.64 : 18,754,813.12 = 4,417,369.48 : x
  2. Step 2: Convert to fraction form
    12,505,458.64/18,754,813.12 = 4,417,369.48/x
  3. Step 3: Cross multiply
    12,505,458.64x = 18,754,813.12 × 4,417,369.48
  4. Step 4: Simplify right side
    12,505,458.64x = 82,846,939,079,391.59
  5. Step 5: Solve for x
    x = 82,846,939,079,391.59/12,505,458.64
  6. Step 6: Final answer
    x = 6,624,862.11

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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.