Home / 14,008,168.42-21,018,637.11-7,189,529.97

Finding the Fourth Proportional to 14,008,168.42, 21,018,637.11 and 7,189,529.97

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Solution

The fourth proportional to 14,008,168.42, 21,018,637.11 and 7,189,529.97 is: 10,787,571.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,008,168.42 : 21,018,637.11 = 7,189,529.97 : x
  2. Step 2: Convert to fraction form
    14,008,168.42/21,018,637.11 = 7,189,529.97/x
  3. Step 3: Cross multiply
    14,008,168.42x = 21,018,637.11 × 7,189,529.97
  4. Step 4: Simplify right side
    14,008,168.42x = 151,114,121,536,679.81
  5. Step 5: Solve for x
    x = 151,114,121,536,679.81/14,008,168.42
  6. Step 6: Final answer
    x = 10,787,571.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.