Finding the Fourth Proportional to 13,796,281.14, 19,039,455.45 and 7,684,708.02
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Solution
The fourth proportional to 13,796,281.14, 19,039,455.45 and 7,684,708.02 is: 10,605,224.30
Step by Step Solution
- Step 1: Write the proportion equation
13,796,281.14 : 19,039,455.45 = 7,684,708.02 : x - Step 2: Convert to fraction form
13,796,281.14/19,039,455.45 = 7,684,708.02/x - Step 3: Cross multiply
13,796,281.14x = 19,039,455.45 × 7,684,708.02 - Step 4: Simplify right side
13,796,281.14x = 146,312,655,993,047.69 - Step 5: Solve for x
x = 146,312,655,993,047.69/13,796,281.14 - Step 6: Final answer
x = 10,605,224.30
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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.