Home / 9,409,460.64-12,985,279.56-5,279,797.32

Finding the Fourth Proportional to 9,409,460.64, 12,985,279.56 and 5,279,797.32

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Solution

The fourth proportional to 9,409,460.64, 12,985,279.56 and 5,279,797.32 is: 7,286,245.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,409,460.64 : 12,985,279.56 = 5,279,797.32 : x
  2. Step 2: Convert to fraction form
    9,409,460.64/12,985,279.56 = 5,279,797.32/x
  3. Step 3: Cross multiply
    9,409,460.64x = 12,985,279.56 × 5,279,797.32
  4. Step 4: Simplify right side
    9,409,460.64x = 68,559,644,220,338.79
  5. Step 5: Solve for x
    x = 68,559,644,220,338.79/9,409,460.64
  6. Step 6: Final answer
    x = 7,286,245.92

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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.