Home / 13,879,873.07-20,824,165.08-8,346,777.05

Finding the Fourth Proportional to 13,879,873.07, 20,824,165.08 and 8,346,777.05

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Solution

The fourth proportional to 13,879,873.07, 20,824,165.08 and 8,346,777.05 is: 12,522,784.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,879,873.07 : 20,824,165.08 = 8,346,777.05 : x
  2. Step 2: Convert to fraction form
    13,879,873.07/20,824,165.08 = 8,346,777.05/x
  3. Step 3: Cross multiply
    13,879,873.07x = 20,824,165.08 × 8,346,777.05
  4. Step 4: Simplify right side
    13,879,873.07x = 173,814,663,071,034.56
  5. Step 5: Solve for x
    x = 173,814,663,071,034.56/13,879,873.07
  6. Step 6: Final answer
    x = 12,522,784.77

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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.