Home / 12,718,084.24-19,077,241.69-3,620,178.26

Finding the Fourth Proportional to 12,718,084.24, 19,077,241.69 and 3,620,178.26

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Solution

The fourth proportional to 12,718,084.24, 19,077,241.69 and 3,620,178.26 is: 5,430,300.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,718,084.24 : 19,077,241.69 = 3,620,178.26 : x
  2. Step 2: Convert to fraction form
    12,718,084.24/19,077,241.69 = 3,620,178.26/x
  3. Step 3: Cross multiply
    12,718,084.24x = 19,077,241.69 × 3,620,178.26
  4. Step 4: Simplify right side
    12,718,084.24x = 69,063,015,626,903.66
  5. Step 5: Solve for x
    x = 69,063,015,626,903.66/12,718,084.24
  6. Step 6: Final answer
    x = 5,430,300.22

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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.