Home / 11,286,085.28-15,575,758.28-6,392,178

Finding the Fourth Proportional to 11,286,085.28, 15,575,758.28 and 6,392,178

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Solution

The fourth proportional to 11,286,085.28, 15,575,758.28 and 6,392,178 is: 8,821,749.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,286,085.28 : 15,575,758.28 = 6,392,178 : x
  2. Step 2: Convert to fraction form
    11,286,085.28/15,575,758.28 = 6,392,178/x
  3. Step 3: Cross multiply
    11,286,085.28x = 15,575,758.28 × 6,392,178
  4. Step 4: Simplify right side
    11,286,085.28x = 99,563,019,410,733.83
  5. Step 5: Solve for x
    x = 99,563,019,410,733.83/11,286,085.28
  6. Step 6: Final answer
    x = 8,821,749.70

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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.