Home / 8,118,270.31-12,160,459.81-4,869,504.94

Finding the Fourth Proportional to 8,118,270.31, 12,160,459.81 and 4,869,504.94

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Solution

The fourth proportional to 8,118,270.31, 12,160,459.81 and 4,869,504.94 is: 7,294,093.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,118,270.31 : 12,160,459.81 = 4,869,504.94 : x
  2. Step 2: Convert to fraction form
    8,118,270.31/12,160,459.81 = 4,869,504.94/x
  3. Step 3: Cross multiply
    8,118,270.31x = 12,160,459.81 × 4,869,504.94
  4. Step 4: Simplify right side
    8,118,270.31x = 59,215,419,117,466.47
  5. Step 5: Solve for x
    x = 59,215,419,117,466.47/8,118,270.31
  6. Step 6: Final answer
    x = 7,294,093.06

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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.