Home / 12,979,657.26-19,455,756.93-4,889,132.37

Finding the Fourth Proportional to 12,979,657.26, 19,455,756.93 and 4,889,132.37

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Solution

The fourth proportional to 12,979,657.26, 19,455,756.93 and 4,889,132.37 is: 7,328,527.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,979,657.26 : 19,455,756.93 = 4,889,132.37 : x
  2. Step 2: Convert to fraction form
    12,979,657.26/19,455,756.93 = 4,889,132.37/x
  3. Step 3: Cross multiply
    12,979,657.26x = 19,455,756.93 × 4,889,132.37
  4. Step 4: Simplify right side
    12,979,657.26x = 95,121,770,989,314.83
  5. Step 5: Solve for x
    x = 95,121,770,989,314.83/12,979,657.26
  6. Step 6: Final answer
    x = 7,328,527.18

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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.