Home / 7,135,385.58-9,846,857.88-3,872,199.33

Finding the Fourth Proportional to 7,135,385.58, 9,846,857.88 and 3,872,199.33

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Solution

The fourth proportional to 7,135,385.58, 9,846,857.88 and 3,872,199.33 is: 5,343,649.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135,385.58 : 9,846,857.88 = 3,872,199.33 : x
  2. Step 2: Convert to fraction form
    7,135,385.58/9,846,857.88 = 3,872,199.33/x
  3. Step 3: Cross multiply
    7,135,385.58x = 9,846,857.88 × 3,872,199.33
  4. Step 4: Simplify right side
    7,135,385.58x = 38,128,996,485,541.23
  5. Step 5: Solve for x
    x = 38,128,996,485,541.23/7,135,385.58
  6. Step 6: Final answer
    x = 5,343,649.07

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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.