Home / 8,645,137.20-12,968,347.32-2,579,390.64

Finding the Fourth Proportional to 8,645,137.20, 12,968,347.32 and 2,579,390.64

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Solution

The fourth proportional to 8,645,137.20, 12,968,347.32 and 2,579,390.64 is: 3,869,277.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,645,137.20 : 12,968,347.32 = 2,579,390.64 : x
  2. Step 2: Convert to fraction form
    8,645,137.20/12,968,347.32 = 2,579,390.64/x
  3. Step 3: Cross multiply
    8,645,137.20x = 12,968,347.32 × 2,579,390.64
  4. Step 4: Simplify right side
    8,645,137.20x = 33,450,433,693,477.09
  5. Step 5: Solve for x
    x = 33,450,433,693,477.09/8,645,137.20
  6. Step 6: Final answer
    x = 3,869,277.37

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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.