Home / 6,731,640.06-10,089,980.55-5,128,918.98

Finding the Fourth Proportional to 6,731,640.06, 10,089,980.55 and 5,128,918.98

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Solution

The fourth proportional to 6,731,640.06, 10,089,980.55 and 5,128,918.98 is: 7,687,679.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,731,640.06 : 10,089,980.55 = 5,128,918.98 : x
  2. Step 2: Convert to fraction form
    6,731,640.06/10,089,980.55 = 5,128,918.98/x
  3. Step 3: Cross multiply
    6,731,640.06x = 10,089,980.55 × 5,128,918.98
  4. Step 4: Simplify right side
    6,731,640.06x = 51,750,692,750,725.84
  5. Step 5: Solve for x
    x = 51,750,692,750,725.84/6,731,640.06
  6. Step 6: Final answer
    x = 7,687,679.72

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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.