Home / 12,866,992.92-19,300,496.58-8,078,045.64

Finding the Fourth Proportional to 12,866,992.92, 19,300,496.58 and 8,078,045.64

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Solution

The fourth proportional to 12,866,992.92, 19,300,496.58 and 8,078,045.64 is: 12,117,072.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,866,992.92 : 19,300,496.58 = 8,078,045.64 : x
  2. Step 2: Convert to fraction form
    12,866,992.92/19,300,496.58 = 8,078,045.64/x
  3. Step 3: Cross multiply
    12,866,992.92x = 19,300,496.58 × 8,078,045.64
  4. Step 4: Simplify right side
    12,866,992.92x = 155,910,292,247,903.88
  5. Step 5: Solve for x
    x = 155,910,292,247,903.88/12,866,992.92
  6. Step 6: Final answer
    x = 12,117,072.98

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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.