Home / 14,137,464.08-19,509,778.67-7,942,772

Finding the Fourth Proportional to 14,137,464.08, 19,509,778.67 and 7,942,772

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Solution

The fourth proportional to 14,137,464.08, 19,509,778.67 and 7,942,772 is: 10,961,069.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,137,464.08 : 19,509,778.67 = 7,942,772 : x
  2. Step 2: Convert to fraction form
    14,137,464.08/19,509,778.67 = 7,942,772/x
  3. Step 3: Cross multiply
    14,137,464.08x = 19,509,778.67 × 7,942,772
  4. Step 4: Simplify right side
    14,137,464.08x = 154,961,723,706,559.38
  5. Step 5: Solve for x
    x = 154,961,723,706,559.38/14,137,464.08
  6. Step 6: Final answer
    x = 10,961,069.31

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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.