Finding the Fourth Proportional to 10,711,216, 14,781,424.80 and 5,816,394.64
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Solution
The fourth proportional to 10,711,216, 14,781,424.80 and 5,816,394.64 is: 8,026,595.67
Step by Step Solution
- Step 1: Write the proportion equation
10,711,216 : 14,781,424.80 = 5,816,394.64 : x - Step 2: Convert to fraction form
10,711,216/14,781,424.80 = 5,816,394.64/x - Step 3: Cross multiply
10,711,216x = 14,781,424.80 × 5,816,394.64 - Step 4: Simplify right side
10,711,216x = 85,974,599,978,283.08 - Step 5: Solve for x
x = 85,974,599,978,283.08/10,711,216 - Step 6: Final answer
x = 8,026,595.67
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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.