Home / 7,918,659.60-11,877,989.40-5,928,003.60

Finding the Fourth Proportional to 7,918,659.60, 11,877,989.40 and 5,928,003.60

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Solution

The fourth proportional to 7,918,659.60, 11,877,989.40 and 5,928,003.60 is: 8,892,005.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,918,659.60 : 11,877,989.40 = 5,928,003.60 : x
  2. Step 2: Convert to fraction form
    7,918,659.60/11,877,989.40 = 5,928,003.60/x
  3. Step 3: Cross multiply
    7,918,659.60x = 11,877,989.40 × 5,928,003.60
  4. Step 4: Simplify right side
    7,918,659.60x = 70,412,763,923,961.84
  5. Step 5: Solve for x
    x = 70,412,763,923,961.84/7,918,659.60
  6. Step 6: Final answer
    x = 8,892,005.40

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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.