Home / 11,328,150.17-15,628,746.49-7,410,142.71

Finding the Fourth Proportional to 11,328,150.17, 15,628,746.49 and 7,410,142.71

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Solution

The fourth proportional to 11,328,150.17, 15,628,746.49 and 7,410,142.71 is: 10,223,314.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,328,150.17 : 15,628,746.49 = 7,410,142.71 : x
  2. Step 2: Convert to fraction form
    11,328,150.17/15,628,746.49 = 7,410,142.71/x
  3. Step 3: Cross multiply
    11,328,150.17x = 15,628,746.49 × 7,410,142.71
  4. Step 4: Simplify right side
    11,328,150.17x = 115,811,241,850,786.23
  5. Step 5: Solve for x
    x = 115,811,241,850,786.23/11,328,150.17
  6. Step 6: Final answer
    x = 10,223,314.49

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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.