Finding the Fourth Proportional to 14,321,047.87, 19,763,128.26 and 7,794,661.75
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Solution
The fourth proportional to 14,321,047.87, 19,763,128.26 and 7,794,661.75 is: 10,756,677.97
Step by Step Solution
- Step 1: Write the proportion equation
14,321,047.87 : 19,763,128.26 = 7,794,661.75 : x - Step 2: Convert to fraction form
14,321,047.87/19,763,128.26 = 7,794,661.75/x - Step 3: Cross multiply
14,321,047.87x = 19,763,128.26 × 7,794,661.75 - Step 4: Simplify right side
14,321,047.87x = 154,046,900,020,039.28 - Step 5: Solve for x
x = 154,046,900,020,039.28/14,321,047.87 - Step 6: Final answer
x = 10,756,677.97
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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.