Home / 21,871,589.42-30,183,046.71-12,081,830.81

Finding the Fourth Proportional to 21,871,589.42, 30,183,046.71 and 12,081,830.81

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Solution

The fourth proportional to 21,871,589.42, 30,183,046.71 and 12,081,830.81 is: 16,673,066.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,871,589.42 : 30,183,046.71 = 12,081,830.81 : x
  2. Step 2: Convert to fraction form
    21,871,589.42/30,183,046.71 = 12,081,830.81/x
  3. Step 3: Cross multiply
    21,871,589.42x = 30,183,046.71 × 12,081,830.81
  4. Step 4: Simplify right side
    21,871,589.42x = 364,666,463,484,325.06
  5. Step 5: Solve for x
    x = 364,666,463,484,325.06/21,871,589.42
  6. Step 6: Final answer
    x = 16,673,066.44

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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.