Home / 9,255,172.32-12,771,977.68-5,125,121.60

Finding the Fourth Proportional to 9,255,172.32, 12,771,977.68 and 5,125,121.60

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Solution

The fourth proportional to 9,255,172.32, 12,771,977.68 and 5,125,121.60 is: 7,072,579.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,255,172.32 : 12,771,977.68 = 5,125,121.60 : x
  2. Step 2: Convert to fraction form
    9,255,172.32/12,771,977.68 = 5,125,121.60/x
  3. Step 3: Cross multiply
    9,255,172.32x = 12,771,977.68 × 5,125,121.60
  4. Step 4: Simplify right side
    9,255,172.32x = 65,457,938,682,485.88
  5. Step 5: Solve for x
    x = 65,457,938,682,485.88/9,255,172.32
  6. Step 6: Final answer
    x = 7,072,579.14

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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.