Home / 18,421,571.06-25,421,146.29-10,161,963.38

Finding the Fourth Proportional to 18,421,571.06, 25,421,146.29 and 10,161,963.38

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Solution

The fourth proportional to 18,421,571.06, 25,421,146.29 and 10,161,963.38 is: 14,023,166.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,421,571.06 : 25,421,146.29 = 10,161,963.38 : x
  2. Step 2: Convert to fraction form
    18,421,571.06/25,421,146.29 = 10,161,963.38/x
  3. Step 3: Cross multiply
    18,421,571.06x = 25,421,146.29 × 10,161,963.38
  4. Step 4: Simplify right side
    18,421,571.06x = 258,328,757,676,602.88
  5. Step 5: Solve for x
    x = 258,328,757,676,602.88/18,421,571.06
  6. Step 6: Final answer
    x = 14,023,166.47

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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.