Finding the Fourth Proportional to 10,865,862.93, 16,283,654.69 and 8,167,039.32
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Solution
The fourth proportional to 10,865,862.93, 16,283,654.69 and 8,167,039.32 is: 12,239,179.62
Step by Step Solution
- Step 1: Write the proportion equation
10,865,862.93 : 16,283,654.69 = 8,167,039.32 : x - Step 2: Convert to fraction form
10,865,862.93/16,283,654.69 = 8,167,039.32/x - Step 3: Cross multiply
10,865,862.93x = 16,283,654.69 × 8,167,039.32 - Step 4: Simplify right side
10,865,862.93x = 132,989,248,085,697.22 - Step 5: Solve for x
x = 132,989,248,085,697.22/10,865,862.93 - Step 6: Final answer
x = 12,239,179.62
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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.