Finding the Fourth Proportional to 13,306,979.28, 19,962,658.75 and 4,084,720.22
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Solution
The fourth proportional to 13,306,979.28, 19,962,658.75 and 4,084,720.22 is: 6,127,752.52
Step by Step Solution
- Step 1: Write the proportion equation
13,306,979.28 : 19,962,658.75 = 4,084,720.22 : x - Step 2: Convert to fraction form
13,306,979.28/19,962,658.75 = 4,084,720.22/x - Step 3: Cross multiply
13,306,979.28x = 19,962,658.75 × 4,084,720.22 - Step 4: Simplify right side
13,306,979.28x = 81,541,875,841,084.92 - Step 5: Solve for x
x = 81,541,875,841,084.92/13,306,979.28 - Step 6: Final answer
x = 6,127,752.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.