Home / 12,436,926.98-18,655,390.46-4,858,578.32

Finding the Fourth Proportional to 12,436,926.98, 18,655,390.46 and 4,858,578.32

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Solution

The fourth proportional to 12,436,926.98, 18,655,390.46 and 4,858,578.32 is: 7,287,867.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,436,926.98 : 18,655,390.46 = 4,858,578.32 : x
  2. Step 2: Convert to fraction form
    12,436,926.98/18,655,390.46 = 4,858,578.32/x
  3. Step 3: Cross multiply
    12,436,926.98x = 18,655,390.46 × 4,858,578.32
  4. Step 4: Simplify right side
    12,436,926.98x = 90,638,675,640,090.84
  5. Step 5: Solve for x
    x = 90,638,675,640,090.84/12,436,926.98
  6. Step 6: Final answer
    x = 7,287,867.48

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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.