Home / 8,984,850.46-12,405,078.64-5,314,946

Finding the Fourth Proportional to 8,984,850.46, 12,405,078.64 and 5,314,946

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Solution

The fourth proportional to 8,984,850.46, 12,405,078.64 and 5,314,946 is: 7,338,165.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,984,850.46 : 12,405,078.64 = 5,314,946 : x
  2. Step 2: Convert to fraction form
    8,984,850.46/12,405,078.64 = 5,314,946/x
  3. Step 3: Cross multiply
    8,984,850.46x = 12,405,078.64 × 5,314,946
  4. Step 4: Simplify right side
    8,984,850.46x = 65,932,323,097,353.45
  5. Step 5: Solve for x
    x = 65,932,323,097,353.45/8,984,850.46
  6. Step 6: Final answer
    x = 7,338,165.88

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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.