Home / 7,574,242.31-11,362,845.15-2,781,967.62

Finding the Fourth Proportional to 7,574,242.31, 11,362,845.15 and 2,781,967.62

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Solution

The fourth proportional to 7,574,242.31, 11,362,845.15 and 2,781,967.62 is: 4,173,495.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,574,242.31 : 11,362,845.15 = 2,781,967.62 : x
  2. Step 2: Convert to fraction form
    7,574,242.31/11,362,845.15 = 2,781,967.62/x
  3. Step 3: Cross multiply
    7,574,242.31x = 11,362,845.15 × 2,781,967.62
  4. Step 4: Simplify right side
    7,574,242.31x = 31,611,067,278,374.05
  5. Step 5: Solve for x
    x = 31,611,067,278,374.05/7,574,242.31
  6. Step 6: Final answer
    x = 4,173,495.65

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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.