Home / 12,979,160.88-19,455,012.24-4,888,636

Finding the Fourth Proportional to 12,979,160.88, 19,455,012.24 and 4,888,636

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Solution

The fourth proportional to 12,979,160.88, 19,455,012.24 and 4,888,636 is: 7,327,782.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,979,160.88 : 19,455,012.24 = 4,888,636 : x
  2. Step 2: Convert to fraction form
    12,979,160.88/19,455,012.24 = 4,888,636/x
  3. Step 3: Cross multiply
    12,979,160.88x = 19,455,012.24 × 4,888,636
  4. Step 4: Simplify right side
    12,979,160.88x = 95,108,473,216,904.62
  5. Step 5: Solve for x
    x = 95,108,473,216,904.62/12,979,160.88
  6. Step 6: Final answer
    x = 7,327,782.90

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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.