Home / 10,618,986.60-15,936,774.30-4,939,914.60

Finding the Fourth Proportional to 10,618,986.60, 15,936,774.30 and 4,939,914.60

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Solution

The fourth proportional to 10,618,986.60, 15,936,774.30 and 4,939,914.60 is: 7,413,730.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,618,986.60 : 15,936,774.30 = 4,939,914.60 : x
  2. Step 2: Convert to fraction form
    10,618,986.60/15,936,774.30 = 4,939,914.60/x
  3. Step 3: Cross multiply
    10,618,986.60x = 15,936,774.30 × 4,939,914.60
  4. Step 4: Simplify right side
    10,618,986.60x = 78,726,304,041,474.78
  5. Step 5: Solve for x
    x = 78,726,304,041,474.78/10,618,986.60
  6. Step 6: Final answer
    x = 7,413,730.43

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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.