Home / 7,253,580.48-10,009,625.28-3,990,188.32

Finding the Fourth Proportional to 7,253,580.48, 10,009,625.28 and 3,990,188.32

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Solution

The fourth proportional to 7,253,580.48, 10,009,625.28 and 3,990,188.32 is: 5,506,286.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,253,580.48 : 10,009,625.28 = 3,990,188.32 : x
  2. Step 2: Convert to fraction form
    7,253,580.48/10,009,625.28 = 3,990,188.32/x
  3. Step 3: Cross multiply
    7,253,580.48x = 10,009,625.28 × 3,990,188.32
  4. Step 4: Simplify right side
    7,253,580.48x = 39,940,289,879,832.73
  5. Step 5: Solve for x
    x = 39,940,289,879,832.73/7,253,580.48
  6. Step 6: Final answer
    x = 5,506,286.17

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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.