Finding the Fourth Proportional to 19,714,816.18, 27,345,635.11 and 19,190,461.06
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Solution
The fourth proportional to 19,714,816.18, 27,345,635.11 and 19,190,461.06 is: 26,618,323.04
Step by Step Solution
- Step 1: Write the proportion equation
19,714,816.18 : 27,345,635.11 = 19,190,461.06 : x - Step 2: Convert to fraction form
19,714,816.18/27,345,635.11 = 19,190,461.06/x - Step 3: Cross multiply
19,714,816.18x = 27,345,635.11 × 19,190,461.06 - Step 4: Simplify right side
19,714,816.18x = 524,775,345,739,423.75 - Step 5: Solve for x
x = 524,775,345,739,423.75/19,714,816.18 - Step 6: Final answer
x = 26,618,323.04
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.