Home / 8,123,828.50-11,212,118.23-5,184,914.21

Finding the Fourth Proportional to 8,123,828.50, 11,212,118.23 and 5,184,914.21

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Solution

The fourth proportional to 8,123,828.50, 11,212,118.23 and 5,184,914.21 is: 7,155,969.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,123,828.50 : 11,212,118.23 = 5,184,914.21 : x
  2. Step 2: Convert to fraction form
    8,123,828.50/11,212,118.23 = 5,184,914.21/x
  3. Step 3: Cross multiply
    8,123,828.50x = 11,212,118.23 × 5,184,914.21
  4. Step 4: Simplify right side
    8,123,828.50x = 58,133,871,127,330.27
  5. Step 5: Solve for x
    x = 58,133,871,127,330.27/8,123,828.50
  6. Step 6: Final answer
    x = 7,155,969.76

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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.