Home / 13,879,871.57-20,824,162.83-8,346,775.55

Finding the Fourth Proportional to 13,879,871.57, 20,824,162.83 and 8,346,775.55

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Solution

The fourth proportional to 13,879,871.57, 20,824,162.83 and 8,346,775.55 is: 12,522,782.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,879,871.57 : 20,824,162.83 = 8,346,775.55 : x
  2. Step 2: Convert to fraction form
    13,879,871.57/20,824,162.83 = 8,346,775.55/x
  3. Step 3: Cross multiply
    13,879,871.57x = 20,824,162.83 × 8,346,775.55
  4. Step 4: Simplify right side
    13,879,871.57x = 173,814,613,054,541.97
  5. Step 5: Solve for x
    x = 173,814,613,054,541.97/13,879,871.57
  6. Step 6: Final answer
    x = 12,522,782.52

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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.