Home / 9,122,345.15-13,674,069.88-7,507,945.49

Finding the Fourth Proportional to 9,122,345.15, 13,674,069.88 and 7,507,945.49

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Solution

The fourth proportional to 9,122,345.15, 13,674,069.88 and 7,507,945.49 is: 11,254,142.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,122,345.15 : 13,674,069.88 = 7,507,945.49 : x
  2. Step 2: Convert to fraction form
    9,122,345.15/13,674,069.88 = 7,507,945.49/x
  3. Step 3: Cross multiply
    9,122,345.15x = 13,674,069.88 × 7,507,945.49
  4. Step 4: Simplify right side
    9,122,345.15x = 102,664,171,198,350.62
  5. Step 5: Solve for x
    x = 102,664,171,198,350.62/9,122,345.15
  6. Step 6: Final answer
    x = 11,254,142.39

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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.