Finding the Fourth Proportional to 11,215,753.68, 16,824,008.52 and 3,128,926.80
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Solution
The fourth proportional to 11,215,753.68, 16,824,008.52 and 3,128,926.80 is: 4,693,495.65
Step by Step Solution
- Step 1: Write the proportion equation
11,215,753.68 : 16,824,008.52 = 3,128,926.80 : x - Step 2: Convert to fraction form
11,215,753.68/16,824,008.52 = 3,128,926.80/x - Step 3: Cross multiply
11,215,753.68x = 16,824,008.52 × 3,128,926.80 - Step 4: Simplify right side
11,215,753.68x = 52,641,091,141,656.33 - Step 5: Solve for x
x = 52,641,091,141,656.33/11,215,753.68 - Step 6: Final answer
x = 4,693,495.65
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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.