Home / 12,979,147.89-19,454,992.74-4,888,623

Finding the Fourth Proportional to 12,979,147.89, 19,454,992.74 and 4,888,623

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Solution

The fourth proportional to 12,979,147.89, 19,454,992.74 and 4,888,623 is: 7,327,763.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,979,147.89 : 19,454,992.74 = 4,888,623 : x
  2. Step 2: Convert to fraction form
    12,979,147.89/19,454,992.74 = 4,888,623/x
  3. Step 3: Cross multiply
    12,979,147.89x = 19,454,992.74 × 4,888,623
  4. Step 4: Simplify right side
    12,979,147.89x = 95,108,124,973,597.02
  5. Step 5: Solve for x
    x = 95,108,124,973,597.02/12,979,147.89
  6. Step 6: Final answer
    x = 7,327,763.41

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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.