Home / 12,239,085.70-18,358,628.55-10,074,247.30

Finding the Fourth Proportional to 12,239,085.70, 18,358,628.55 and 10,074,247.30

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Solution

The fourth proportional to 12,239,085.70, 18,358,628.55 and 10,074,247.30 is: 15,111,370.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,239,085.70 : 18,358,628.55 = 10,074,247.30 : x
  2. Step 2: Convert to fraction form
    12,239,085.70/18,358,628.55 = 10,074,247.30/x
  3. Step 3: Cross multiply
    12,239,085.70x = 18,358,628.55 × 10,074,247.30
  4. Step 4: Simplify right side
    12,239,085.70x = 184,949,364,101,540.44
  5. Step 5: Solve for x
    x = 184,949,364,101,540.44/12,239,085.70
  6. Step 6: Final answer
    x = 15,111,370.95

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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.