Home / 10,618,905.60-15,936,652.80-4,939,833.60

Finding the Fourth Proportional to 10,618,905.60, 15,936,652.80 and 4,939,833.60

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Solution

The fourth proportional to 10,618,905.60, 15,936,652.80 and 4,939,833.60 is: 7,413,608.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,618,905.60 : 15,936,652.80 = 4,939,833.60 : x
  2. Step 2: Convert to fraction form
    10,618,905.60/15,936,652.80 = 4,939,833.60/x
  3. Step 3: Cross multiply
    10,618,905.60x = 15,936,652.80 × 4,939,833.60
  4. Step 4: Simplify right side
    10,618,905.60x = 78,724,412,972,974.08
  5. Step 5: Solve for x
    x = 78,724,412,972,974.08/10,618,905.60
  6. Step 6: Final answer
    x = 7,413,608.89

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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.