Finding the Fourth Proportional to 8,528,411.68, 12,788,816.28 and 2,461,701.08
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Solution
The fourth proportional to 8,528,411.68, 12,788,816.28 and 2,461,701.08 is: 3,691,454.40
Step by Step Solution
- Step 1: Write the proportion equation
8,528,411.68 : 12,788,816.28 = 2,461,701.08 : x - Step 2: Convert to fraction form
8,528,411.68/12,788,816.28 = 2,461,701.08/x - Step 3: Cross multiply
8,528,411.68x = 12,788,816.28 × 2,461,701.08 - Step 4: Simplify right side
8,528,411.68x = 31,482,242,848,397.58 - Step 5: Solve for x
x = 31,482,242,848,397.58/8,528,411.68 - Step 6: Final answer
x = 3,691,454.40
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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.