Home / 18,477,867.45-25,499,622.15-10,218,485.64

Finding the Fourth Proportional to 18,477,867.45, 25,499,622.15 and 10,218,485.64

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Solution

The fourth proportional to 18,477,867.45, 25,499,622.15 and 10,218,485.64 is: 14,101,601.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,477,867.45 : 25,499,622.15 = 10,218,485.64 : x
  2. Step 2: Convert to fraction form
    18,477,867.45/25,499,622.15 = 10,218,485.64/x
  3. Step 3: Cross multiply
    18,477,867.45x = 25,499,622.15 × 10,218,485.64
  4. Step 4: Simplify right side
    18,477,867.45x = 260,567,522,765,200.94
  5. Step 5: Solve for x
    x = 260,567,522,765,200.94/18,477,867.45
  6. Step 6: Final answer
    x = 14,101,601.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.