Home / 19,662,804.40-27,137,866.38-11,830,233.48

Finding the Fourth Proportional to 19,662,804.40, 27,137,866.38 and 11,830,233.48

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Solution

The fourth proportional to 19,662,804.40, 27,137,866.38 and 11,830,233.48 is: 16,327,645.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,662,804.40 : 27,137,866.38 = 11,830,233.48 : x
  2. Step 2: Convert to fraction form
    19,662,804.40/27,137,866.38 = 11,830,233.48/x
  3. Step 3: Cross multiply
    19,662,804.40x = 27,137,866.38 × 11,830,233.48
  4. Step 4: Simplify right side
    19,662,804.40x = 321,047,295,424,442.38
  5. Step 5: Solve for x
    x = 321,047,295,424,442.38/19,662,804.40
  6. Step 6: Final answer
    x = 16,327,645.28

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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.