Home / 18,477,679.59-25,499,362.83-10,218,300.75

Finding the Fourth Proportional to 18,477,679.59, 25,499,362.83 and 10,218,300.75

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Solution

The fourth proportional to 18,477,679.59, 25,499,362.83 and 10,218,300.75 is: 14,101,346.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,477,679.59 : 25,499,362.83 = 10,218,300.75 : x
  2. Step 2: Convert to fraction form
    18,477,679.59/25,499,362.83 = 10,218,300.75/x
  3. Step 3: Cross multiply
    18,477,679.59x = 25,499,362.83 × 10,218,300.75
  4. Step 4: Simplify right side
    18,477,679.59x = 260,560,158,330,311.09
  5. Step 5: Solve for x
    x = 260,560,158,330,311.09/18,477,679.59
  6. Step 6: Final answer
    x = 14,101,346.28

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1.5x scale

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.