Home / 21,276,791.84-31,919,671.37-6,898,738.43

Finding the Fourth Proportional to 21,276,791.84, 31,919,671.37 and 6,898,738.43

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Solution

The fourth proportional to 21,276,791.84, 31,919,671.37 and 6,898,738.43 is: 10,349,561.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,276,791.84 : 31,919,671.37 = 6,898,738.43 : x
  2. Step 2: Convert to fraction form
    21,276,791.84/31,919,671.37 = 6,898,738.43/x
  3. Step 3: Cross multiply
    21,276,791.84x = 31,919,671.37 × 6,898,738.43
  4. Step 4: Simplify right side
    21,276,791.84x = 220,205,463,410,838.22
  5. Step 5: Solve for x
    x = 220,205,463,410,838.22/21,276,791.84
  6. Step 6: Final answer
    x = 10,349,561.40

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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.