Home / 7,336,916.70-11,007,999.45-3,078,390.30

Finding the Fourth Proportional to 7,336,916.70, 11,007,999.45 and 3,078,390.30

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Solution

The fourth proportional to 7,336,916.70, 11,007,999.45 and 3,078,390.30 is: 4,618,686.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,336,916.70 : 11,007,999.45 = 3,078,390.30 : x
  2. Step 2: Convert to fraction form
    7,336,916.70/11,007,999.45 = 3,078,390.30/x
  3. Step 3: Cross multiply
    7,336,916.70x = 11,007,999.45 × 3,078,390.30
  4. Step 4: Simplify right side
    7,336,916.70x = 33,886,918,729,285.33
  5. Step 5: Solve for x
    x = 33,886,918,729,285.33/7,336,916.70
  6. Step 6: Final answer
    x = 4,618,686.58

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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.