Home / 9,980,379.99-13,772,915.04-5,396,690.43

Finding the Fourth Proportional to 9,980,379.99, 13,772,915.04 and 5,396,690.43

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Solution

The fourth proportional to 9,980,379.99, 13,772,915.04 and 5,396,690.43 is: 7,447,427.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,980,379.99 : 13,772,915.04 = 5,396,690.43 : x
  2. Step 2: Convert to fraction form
    9,980,379.99/13,772,915.04 = 5,396,690.43/x
  3. Step 3: Cross multiply
    9,980,379.99x = 13,772,915.04 × 5,396,690.43
  4. Step 4: Simplify right side
    9,980,379.99x = 74,328,158,789,571.06
  5. Step 5: Solve for x
    x = 74,328,158,789,571.06/9,980,379.99
  6. Step 6: Final answer
    x = 7,447,427.74

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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.