Home / 13,233,628.80-19,850,443.20-12,673,756.80

Finding the Fourth Proportional to 13,233,628.80, 19,850,443.20 and 12,673,756.80

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Solution

The fourth proportional to 13,233,628.80, 19,850,443.20 and 12,673,756.80 is: 19,010,635.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,233,628.80 : 19,850,443.20 = 12,673,756.80 : x
  2. Step 2: Convert to fraction form
    13,233,628.80/19,850,443.20 = 12,673,756.80/x
  3. Step 3: Cross multiply
    13,233,628.80x = 19,850,443.20 × 12,673,756.80
  4. Step 4: Simplify right side
    13,233,628.80x = 251,579,689,489,013.75
  5. Step 5: Solve for x
    x = 251,579,689,489,013.75/13,233,628.80
  6. Step 6: Final answer
    x = 19,010,635.20

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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.