Home / 9,880,419.75-13,634,979.26-5,358,435.75

Finding the Fourth Proportional to 9,880,419.75, 13,634,979.26 and 5,358,435.75

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Solution

The fourth proportional to 9,880,419.75, 13,634,979.26 and 5,358,435.75 is: 7,394,641.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,880,419.75 : 13,634,979.26 = 5,358,435.75 : x
  2. Step 2: Convert to fraction form
    9,880,419.75/13,634,979.26 = 5,358,435.75/x
  3. Step 3: Cross multiply
    9,880,419.75x = 13,634,979.26 × 5,358,435.75
  4. Step 4: Simplify right side
    9,880,419.75x = 73,062,160,317,292.55
  5. Step 5: Solve for x
    x = 73,062,160,317,292.55/9,880,419.75
  6. Step 6: Final answer
    x = 7,394,641.34

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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.