Home / 13,631,327.37-18,810,929.01-7,519,754.25

Finding the Fourth Proportional to 13,631,327.37, 18,810,929.01 and 7,519,754.25

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Solution

The fourth proportional to 13,631,327.37, 18,810,929.01 and 7,519,754.25 is: 10,377,093.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,631,327.37 : 18,810,929.01 = 7,519,754.25 : x
  2. Step 2: Convert to fraction form
    13,631,327.37/18,810,929.01 = 7,519,754.25/x
  3. Step 3: Cross multiply
    13,631,327.37x = 18,810,929.01 × 7,519,754.25
  4. Step 4: Simplify right side
    13,631,327.37x = 141,453,563,369,395.81
  5. Step 5: Solve for x
    x = 141,453,563,369,395.81/13,631,327.37
  6. Step 6: Final answer
    x = 10,377,093.85

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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.