Home / 28,925,343-43,400,179.89-18,004,662.18

Finding the Fourth Proportional to 28,925,343, 43,400,179.89 and 18,004,662.18

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Solution

The fourth proportional to 28,925,343, 43,400,179.89 and 18,004,662.18 is: 27,014,565.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,925,343 : 43,400,179.89 = 18,004,662.18 : x
  2. Step 2: Convert to fraction form
    28,925,343/43,400,179.89 = 18,004,662.18/x
  3. Step 3: Cross multiply
    28,925,343x = 43,400,179.89 × 18,004,662.18
  4. Step 4: Simplify right side
    28,925,343x = 781,405,577,470,679.50
  5. Step 5: Solve for x
    x = 781,405,577,470,679.50/28,925,343
  6. Step 6: Final answer
    x = 27,014,565.65

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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.