Home / 28,223,745.52-42,335,625.56-8,028,987.52

Finding the Fourth Proportional to 28,223,745.52, 42,335,625.56 and 8,028,987.52

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Solution

The fourth proportional to 28,223,745.52, 42,335,625.56 and 8,028,987.52 is: 12,043,483.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,223,745.52 : 42,335,625.56 = 8,028,987.52 : x
  2. Step 2: Convert to fraction form
    28,223,745.52/42,335,625.56 = 8,028,987.52/x
  3. Step 3: Cross multiply
    28,223,745.52x = 42,335,625.56 × 8,028,987.52
  4. Step 4: Simplify right side
    28,223,745.52x = 339,912,209,272,633
  5. Step 5: Solve for x
    x = 339,912,209,272,633/28,223,745.52
  6. Step 6: Final answer
    x = 12,043,483.35

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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.