Home / 9,990,235.98-13,786,525.49-5,406,557.36

Finding the Fourth Proportional to 9,990,235.98, 13,786,525.49 and 5,406,557.36

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Solution

The fourth proportional to 9,990,235.98, 13,786,525.49 and 5,406,557.36 is: 7,461,049.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,990,235.98 : 13,786,525.49 = 5,406,557.36 : x
  2. Step 2: Convert to fraction form
    9,990,235.98/13,786,525.49 = 5,406,557.36/x
  3. Step 3: Cross multiply
    9,990,235.98x = 13,786,525.49 × 5,406,557.36
  4. Step 4: Simplify right side
    9,990,235.98x = 74,537,640,760,821.69
  5. Step 5: Solve for x
    x = 74,537,640,760,821.69/9,990,235.98
  6. Step 6: Final answer
    x = 7,461,049.06

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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.