Home / 14,109,279-21,161,653.13-3,871,747.93

Finding the Fourth Proportional to 14,109,279, 21,161,653.13 and 3,871,747.93

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Solution

The fourth proportional to 14,109,279, 21,161,653.13 and 3,871,747.93 is: 5,807,000.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,109,279 : 21,161,653.13 = 3,871,747.93 : x
  2. Step 2: Convert to fraction form
    14,109,279/21,161,653.13 = 3,871,747.93/x
  3. Step 3: Cross multiply
    14,109,279x = 21,161,653.13 × 3,871,747.93
  4. Step 4: Simplify right side
    14,109,279x = 81,932,586,701,455.52
  5. Step 5: Solve for x
    x = 81,932,586,701,455.52/14,109,279
  6. Step 6: Final answer
    x = 5,807,000.25

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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.