Home / 21,292,250.25-31,938,631.33-5,938,605.38

Finding the Fourth Proportional to 21,292,250.25, 31,938,631.33 and 5,938,605.38

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Solution

The fourth proportional to 21,292,250.25, 31,938,631.33 and 5,938,605.38 is: 8,907,979.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,292,250.25 : 31,938,631.33 = 5,938,605.38 : x
  2. Step 2: Convert to fraction form
    21,292,250.25/31,938,631.33 = 5,938,605.38/x
  3. Step 3: Cross multiply
    21,292,250.25x = 31,938,631.33 × 5,938,605.38
  4. Step 4: Simplify right side
    21,292,250.25x = 189,670,927,911,174.62
  5. Step 5: Solve for x
    x = 189,670,927,911,174.62/21,292,250.25
  6. Step 6: Final answer
    x = 8,907,979.46

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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.