Home / 6,731,588.31-10,089,902.93-5,128,867.23

Finding the Fourth Proportional to 6,731,588.31, 10,089,902.93 and 5,128,867.23

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Solution

The fourth proportional to 6,731,588.31, 10,089,902.93 and 5,128,867.23 is: 7,687,602.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,731,588.31 : 10,089,902.93 = 5,128,867.23 : x
  2. Step 2: Convert to fraction form
    6,731,588.31/10,089,902.93 = 5,128,867.23/x
  3. Step 3: Cross multiply
    6,731,588.31x = 10,089,902.93 × 5,128,867.23
  4. Step 4: Simplify right side
    6,731,588.31x = 51,749,772,465,913.66
  5. Step 5: Solve for x
    x = 51,749,772,465,913.66/6,731,588.31
  6. Step 6: Final answer
    x = 7,687,602.11

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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.