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Finding the Fourth Proportional to 18,907,651.47, 28,362,482.91 and 5,954,815.08

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Solution

The fourth proportional to 18,907,651.47, 28,362,482.91 and 5,954,815.08 is: 8,932,539.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,907,651.47 : 28,362,482.91 = 5,954,815.08 : x
  2. Step 2: Convert to fraction form
    18,907,651.47/28,362,482.91 = 5,954,815.08/x
  3. Step 3: Cross multiply
    18,907,651.47x = 28,362,482.91 × 5,954,815.08
  4. Step 4: Simplify right side
    18,907,651.47x = 168,893,340,938,710.28
  5. Step 5: Solve for x
    x = 168,893,340,938,710.28/18,907,651.47
  6. Step 6: Final answer
    x = 8,932,539.36

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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.