Finding the Fourth Proportional to 34,303,408.88, 47,336,583.36 and 18,833,406.80
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Solution
The fourth proportional to 34,303,408.88, 47,336,583.36 and 18,833,406.80 is: 25,988,936.96
Step by Step Solution
- Step 1: Write the proportion equation
34,303,408.88 : 47,336,583.36 = 18,833,406.80 : x - Step 2: Convert to fraction form
34,303,408.88/47,336,583.36 = 18,833,406.80/x - Step 3: Cross multiply
34,303,408.88x = 47,336,583.36 × 18,833,406.80 - Step 4: Simplify right side
34,303,408.88x = 891,509,130,940,990.88 - Step 5: Solve for x
x = 891,509,130,940,990.88/34,303,408.88 - Step 6: Final answer
x = 25,988,936.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.