Home / 12,018,855.12-18,046,292.64-10,404,603.60

Finding the Fourth Proportional to 12,018,855.12, 18,046,292.64 and 10,404,603.60

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Solution

The fourth proportional to 12,018,855.12, 18,046,292.64 and 10,404,603.60 is: 15,622,496.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,018,855.12 : 18,046,292.64 = 10,404,603.60 : x
  2. Step 2: Convert to fraction form
    12,018,855.12/18,046,292.64 = 10,404,603.60/x
  3. Step 3: Cross multiply
    12,018,855.12x = 18,046,292.64 × 10,404,603.60
  4. Step 4: Simplify right side
    12,018,855.12x = 187,764,521,368,797.50
  5. Step 5: Solve for x
    x = 187,764,521,368,797.50/12,018,855.12
  6. Step 6: Final answer
    x = 15,622,496.44

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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.