Home / 13,511,013.93-18,646,530.35-7,710,668.73

Finding the Fourth Proportional to 13,511,013.93, 18,646,530.35 and 7,710,668.73

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Solution

The fourth proportional to 13,511,013.93, 18,646,530.35 and 7,710,668.73 is: 10,641,482.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,511,013.93 : 18,646,530.35 = 7,710,668.73 : x
  2. Step 2: Convert to fraction form
    13,511,013.93/18,646,530.35 = 7,710,668.73/x
  3. Step 3: Cross multiply
    13,511,013.93x = 18,646,530.35 × 7,710,668.73
  4. Step 4: Simplify right side
    13,511,013.93x = 143,777,218,454,187.62
  5. Step 5: Solve for x
    x = 143,777,218,454,187.62/13,511,013.93
  6. Step 6: Final answer
    x = 10,641,482.51

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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.