Home / 9,990,218.17-13,786,473.94-5,406,539.54

Finding the Fourth Proportional to 9,990,218.17, 13,786,473.94 and 5,406,539.54

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Solution

The fourth proportional to 9,990,218.17, 13,786,473.94 and 5,406,539.54 is: 7,461,009.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,990,218.17 : 13,786,473.94 = 5,406,539.54 : x
  2. Step 2: Convert to fraction form
    9,990,218.17/13,786,473.94 = 5,406,539.54/x
  3. Step 3: Cross multiply
    9,990,218.17x = 13,786,473.94 × 5,406,539.54
  4. Step 4: Simplify right side
    9,990,218.17x = 74,537,116,494,739.44
  5. Step 5: Solve for x
    x = 74,537,116,494,739.44/9,990,218.17
  6. Step 6: Final answer
    x = 7,461,009.88

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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.