Finding the Fourth Proportional to 20,941,381.30, 31,415,024.40 and 6,562,949.80
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Solution
The fourth proportional to 20,941,381.30, 31,415,024.40 and 6,562,949.80 is: 9,845,349.99
Step by Step Solution
- Step 1: Write the proportion equation
20,941,381.30 : 31,415,024.40 = 6,562,949.80 : x - Step 2: Convert to fraction form
20,941,381.30/31,415,024.40 = 6,562,949.80/x - Step 3: Cross multiply
20,941,381.30x = 31,415,024.40 × 6,562,949.80 - Step 4: Simplify right side
20,941,381.30x = 206,175,228,102,975.09 - Step 5: Solve for x
x = 206,175,228,102,975.09/20,941,381.30 - Step 6: Final answer
x = 9,845,349.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.