Home / 11,939,939.35-17,909,898.09-3,742,640.53

Finding the Fourth Proportional to 11,939,939.35, 17,909,898.09 and 3,742,640.53

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Solution

The fourth proportional to 11,939,939.35, 17,909,898.09 and 3,742,640.53 is: 5,613,957.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,939,939.35 : 17,909,898.09 = 3,742,640.53 : x
  2. Step 2: Convert to fraction form
    11,939,939.35/17,909,898.09 = 3,742,640.53/x
  3. Step 3: Cross multiply
    11,939,939.35x = 17,909,898.09 × 3,742,640.53
  4. Step 4: Simplify right side
    11,939,939.35x = 67,030,310,435,028.84
  5. Step 5: Solve for x
    x = 67,030,310,435,028.84/11,939,939.35
  6. Step 6: Final answer
    x = 5,613,957.36

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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.