Home / 12,530,242-18,792,476.16-7,067,728.36

Finding the Fourth Proportional to 12,530,242, 18,792,476.16 and 7,067,728.36

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Solution

The fourth proportional to 12,530,242, 18,792,476.16 and 7,067,728.36 is: 10,599,964.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,530,242 : 18,792,476.16 = 7,067,728.36 : x
  2. Step 2: Convert to fraction form
    12,530,242/18,792,476.16 = 7,067,728.36/x
  3. Step 3: Cross multiply
    12,530,242x = 18,792,476.16 × 7,067,728.36
  4. Step 4: Simplify right side
    12,530,242x = 132,820,116,710,655.91
  5. Step 5: Solve for x
    x = 132,820,116,710,655.91/12,530,242
  6. Step 6: Final answer
    x = 10,599,964.21

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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.