Finding the Fourth Proportional to 14,188,766.49, 19,580,497.70 and 7,662,395.58
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Solution
The fourth proportional to 14,188,766.49, 19,580,497.70 and 7,662,395.58 is: 10,574,105.88
Step by Step Solution
- Step 1: Write the proportion equation
14,188,766.49 : 19,580,497.70 = 7,662,395.58 : x - Step 2: Convert to fraction form
14,188,766.49/19,580,497.70 = 7,662,395.58/x - Step 3: Cross multiply
14,188,766.49x = 19,580,497.70 × 7,662,395.58 - Step 4: Simplify right side
14,188,766.49x = 150,033,519,096,728.66 - Step 5: Solve for x
x = 150,033,519,096,728.66/14,188,766.49 - Step 6: Final answer
x = 10,574,105.88
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.