Home / 9,990,268.14-13,786,569.72-5,406,589.47

Finding the Fourth Proportional to 9,990,268.14, 13,786,569.72 and 5,406,589.47

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Solution

The fourth proportional to 9,990,268.14, 13,786,569.72 and 5,406,589.47 is: 7,461,093.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,990,268.14 : 13,786,569.72 = 5,406,589.47 : x
  2. Step 2: Convert to fraction form
    9,990,268.14/13,786,569.72 = 5,406,589.47/x
  3. Step 3: Cross multiply
    9,990,268.14x = 13,786,569.72 × 5,406,589.47
  4. Step 4: Simplify right side
    9,990,268.14x = 74,538,322,675,572.84
  5. Step 5: Solve for x
    x = 74,538,322,675,572.84/9,990,268.14
  6. Step 6: Final answer
    x = 7,461,093.30

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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.