Home / 7,971,330.40-11,956,995.60-2,652,546.40

Finding the Fourth Proportional to 7,971,330.40, 11,956,995.60 and 2,652,546.40

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Solution

The fourth proportional to 7,971,330.40, 11,956,995.60 and 2,652,546.40 is: 3,978,819.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,971,330.40 : 11,956,995.60 = 2,652,546.40 : x
  2. Step 2: Convert to fraction form
    7,971,330.40/11,956,995.60 = 2,652,546.40/x
  3. Step 3: Cross multiply
    7,971,330.40x = 11,956,995.60 × 2,652,546.40
  4. Step 4: Simplify right side
    7,971,330.40x = 31,716,485,633,595.84
  5. Step 5: Solve for x
    x = 31,716,485,633,595.84/7,971,330.40
  6. Step 6: Final answer
    x = 3,978,819.60

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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.