Home / 9,772,100.37-13,485,532.73-5,421,272.85

Finding the Fourth Proportional to 9,772,100.37, 13,485,532.73 and 5,421,272.85

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Solution

The fourth proportional to 9,772,100.37, 13,485,532.73 and 5,421,272.85 is: 7,481,375.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,772,100.37 : 13,485,532.73 = 5,421,272.85 : x
  2. Step 2: Convert to fraction form
    9,772,100.37/13,485,532.73 = 5,421,272.85/x
  3. Step 3: Cross multiply
    9,772,100.37x = 13,485,532.73 × 5,421,272.85
  4. Step 4: Simplify right side
    9,772,100.37x = 73,108,752,429,829.02
  5. Step 5: Solve for x
    x = 73,108,752,429,829.02/9,772,100.37
  6. Step 6: Final answer
    x = 7,481,375.51

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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.