Home / 12,931,914.25-19,397,871.38-5,259,733.27

Finding the Fourth Proportional to 12,931,914.25, 19,397,871.38 and 5,259,733.27

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Solution

The fourth proportional to 12,931,914.25, 19,397,871.38 and 5,259,733.27 is: 7,889,599.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,931,914.25 : 19,397,871.38 = 5,259,733.27 : x
  2. Step 2: Convert to fraction form
    12,931,914.25/19,397,871.38 = 5,259,733.27/x
  3. Step 3: Cross multiply
    12,931,914.25x = 19,397,871.38 × 5,259,733.27
  4. Step 4: Simplify right side
    12,931,914.25x = 102,027,629,464,566.80
  5. Step 5: Solve for x
    x = 102,027,629,464,566.80/12,931,914.25
  6. Step 6: Final answer
    x = 7,889,599.91

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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.