Home / 12,979,339.36-19,467,521.60-3,395,642.72

Finding the Fourth Proportional to 12,979,339.36, 19,467,521.60 and 3,395,642.72

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Solution

The fourth proportional to 12,979,339.36, 19,467,521.60 and 3,395,642.72 is: 5,093,074.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,979,339.36 : 19,467,521.60 = 3,395,642.72 : x
  2. Step 2: Convert to fraction form
    12,979,339.36/19,467,521.60 = 3,395,642.72/x
  3. Step 3: Cross multiply
    12,979,339.36x = 19,467,521.60 × 3,395,642.72
  4. Step 4: Simplify right side
    12,979,339.36x = 66,104,747,997,482.76
  5. Step 5: Solve for x
    x = 66,104,747,997,482.76/12,979,339.36
  6. Step 6: Final answer
    x = 5,093,074.94

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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.