Home / 7,983,640.40-11,975,460.60-5,464,216.40

Finding the Fourth Proportional to 7,983,640.40, 11,975,460.60 and 5,464,216.40

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Solution

The fourth proportional to 7,983,640.40, 11,975,460.60 and 5,464,216.40 is: 8,196,324.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,983,640.40 : 11,975,460.60 = 5,464,216.40 : x
  2. Step 2: Convert to fraction form
    7,983,640.40/11,975,460.60 = 5,464,216.40/x
  3. Step 3: Cross multiply
    7,983,640.40x = 11,975,460.60 × 5,464,216.40
  4. Step 4: Simplify right side
    7,983,640.40x = 65,436,508,208,073.84
  5. Step 5: Solve for x
    x = 65,436,508,208,073.84/7,983,640.40
  6. Step 6: Final answer
    x = 8,196,324.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.