Home / 18,485,749.84-25,509,586.68-10,112,984.56

Finding the Fourth Proportional to 18,485,749.84, 25,509,586.68 and 10,112,984.56

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Solution

The fourth proportional to 18,485,749.84, 25,509,586.68 and 10,112,984.56 is: 13,955,509.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,485,749.84 : 25,509,586.68 = 10,112,984.56 : x
  2. Step 2: Convert to fraction form
    18,485,749.84/25,509,586.68 = 10,112,984.56/x
  3. Step 3: Cross multiply
    18,485,749.84x = 25,509,586.68 × 10,112,984.56
  4. Step 4: Simplify right side
    18,485,749.84x = 257,978,056,226,821.66
  5. Step 5: Solve for x
    x = 257,978,056,226,821.66/18,485,749.84
  6. Step 6: Final answer
    x = 13,955,509.43

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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.