Home / 7,262,030.25-10,021,601.72-3,998,837.21

Finding the Fourth Proportional to 7,262,030.25, 10,021,601.72 and 3,998,837.21

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Solution

The fourth proportional to 7,262,030.25, 10,021,601.72 and 3,998,837.21 is: 5,518,395.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,262,030.25 : 10,021,601.72 = 3,998,837.21 : x
  2. Step 2: Convert to fraction form
    7,262,030.25/10,021,601.72 = 3,998,837.21/x
  3. Step 3: Cross multiply
    7,262,030.25x = 10,021,601.72 × 3,998,837.21
  4. Step 4: Simplify right side
    7,262,030.25x = 40,074,753,821,625.09
  5. Step 5: Solve for x
    x = 40,074,753,821,625.09/7,262,030.25
  6. Step 6: Final answer
    x = 5,518,395.33

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1.5x scale

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.