Home / 19,111,017.12-28,666,342.50-11,324,326.32

Finding the Fourth Proportional to 19,111,017.12, 28,666,342.50 and 11,324,326.32

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Solution

The fourth proportional to 19,111,017.12, 28,666,342.50 and 11,324,326.32 is: 16,986,380.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,111,017.12 : 28,666,342.50 = 11,324,326.32 : x
  2. Step 2: Convert to fraction form
    19,111,017.12/28,666,342.50 = 11,324,326.32/x
  3. Step 3: Cross multiply
    19,111,017.12x = 28,666,342.50 × 11,324,326.32
  4. Step 4: Simplify right side
    19,111,017.12x = 324,627,016,870,884.62
  5. Step 5: Solve for x
    x = 324,627,016,870,884.62/19,111,017.12
  6. Step 6: Final answer
    x = 16,986,380.94

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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.