Home / 12,158,236.98-18,243,642.57-5,339,603.46

Finding the Fourth Proportional to 12,158,236.98, 18,243,642.57 and 5,339,603.46

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Solution

The fourth proportional to 12,158,236.98, 18,243,642.57 and 5,339,603.46 is: 8,012,166.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,158,236.98 : 18,243,642.57 = 5,339,603.46 : x
  2. Step 2: Convert to fraction form
    12,158,236.98/18,243,642.57 = 5,339,603.46/x
  3. Step 3: Cross multiply
    12,158,236.98x = 18,243,642.57 × 5,339,603.46
  4. Step 4: Simplify right side
    12,158,236.98x = 97,413,816,989,775.30
  5. Step 5: Solve for x
    x = 97,413,816,989,775.30/12,158,236.98
  6. Step 6: Final answer
    x = 8,012,166.33

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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.