Home / 12,643,006.44-18,956,829.78-4,957,443.36

Finding the Fourth Proportional to 12,643,006.44, 18,956,829.78 and 4,957,443.36

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Solution

The fourth proportional to 12,643,006.44, 18,956,829.78 and 4,957,443.36 is: 7,433,153.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,643,006.44 : 18,956,829.78 = 4,957,443.36 : x
  2. Step 2: Convert to fraction form
    12,643,006.44/18,956,829.78 = 4,957,443.36/x
  3. Step 3: Cross multiply
    12,643,006.44x = 18,956,829.78 × 4,957,443.36
  4. Step 4: Simplify right side
    12,643,006.44x = 93,977,409,919,511.27
  5. Step 5: Solve for x
    x = 93,977,409,919,511.27/12,643,006.44
  6. Step 6: Final answer
    x = 7,433,153.69

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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.