Home / 7,193,918.90-9,927,312.66-3,930,845.64

Finding the Fourth Proportional to 7,193,918.90, 9,927,312.66 and 3,930,845.64

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Solution

The fourth proportional to 7,193,918.90, 9,927,312.66 and 3,930,845.64 is: 5,424,405.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,193,918.90 : 9,927,312.66 = 3,930,845.64 : x
  2. Step 2: Convert to fraction form
    7,193,918.90/9,927,312.66 = 3,930,845.64/x
  3. Step 3: Cross multiply
    7,193,918.90x = 9,927,312.66 × 3,930,845.64
  4. Step 4: Simplify right side
    7,193,918.90x = 39,022,733,686,477.80
  5. Step 5: Solve for x
    x = 39,022,733,686,477.80/7,193,918.90
  6. Step 6: Final answer
    x = 5,424,405.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.