Finding the Fourth Proportional to 30,271,408.02, 45,421,283.97 and 13,229,866.62
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Solution
The fourth proportional to 30,271,408.02, 45,421,283.97 and 13,229,866.62 is: 19,850,993.66
Step by Step Solution
- Step 1: Write the proportion equation
30,271,408.02 : 45,421,283.97 = 13,229,866.62 : x - Step 2: Convert to fraction form
30,271,408.02/45,421,283.97 = 13,229,866.62/x - Step 3: Cross multiply
30,271,408.02x = 45,421,283.97 × 13,229,866.62 - Step 4: Simplify right side
30,271,408.02x = 600,917,528,632,244 - Step 5: Solve for x
x = 600,917,528,632,244/30,271,408.02 - Step 6: Final answer
x = 19,850,993.66
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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.