Home / 13,507,395.92-18,671,621.57-12,051,731.97

Finding the Fourth Proportional to 13,507,395.92, 18,671,621.57 and 12,051,731.97

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Solution

The fourth proportional to 13,507,395.92, 18,671,621.57 and 12,051,731.97 is: 16,659,419.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,507,395.92 : 18,671,621.57 = 12,051,731.97 : x
  2. Step 2: Convert to fraction form
    13,507,395.92/18,671,621.57 = 12,051,731.97/x
  3. Step 3: Cross multiply
    13,507,395.92x = 18,671,621.57 × 12,051,731.97
  4. Step 4: Simplify right side
    13,507,395.92x = 225,025,378,678,240
  5. Step 5: Solve for x
    x = 225,025,378,678,240/13,507,395.92
  6. Step 6: Final answer
    x = 16,659,419.77

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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.