Finding the Fourth Proportional to 11,620,298.67, 16,035,376.17 and 6,393,208.29
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Solution
The fourth proportional to 11,620,298.67, 16,035,376.17 and 6,393,208.29 is: 8,822,277.53
Step by Step Solution
- Step 1: Write the proportion equation
11,620,298.67 : 16,035,376.17 = 6,393,208.29 : x - Step 2: Convert to fraction form
11,620,298.67/16,035,376.17 = 6,393,208.29/x - Step 3: Cross multiply
11,620,298.67x = 16,035,376.17 × 6,393,208.29 - Step 4: Simplify right side
11,620,298.67x = 102,517,499,863,312.45 - Step 5: Solve for x
x = 102,517,499,863,312.45/11,620,298.67 - Step 6: Final answer
x = 8,822,277.53
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1.5x scale
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.