Finding the Fourth Proportional to 19,964,812.68, 27,551,460 and 10,797,455.40
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Solution
The fourth proportional to 19,964,812.68, 27,551,460 and 10,797,455.40 is: 14,900,498.46
Step by Step Solution
- Step 1: Write the proportion equation
19,964,812.68 : 27,551,460 = 10,797,455.40 : x - Step 2: Convert to fraction form
19,964,812.68/27,551,460 = 10,797,455.40/x - Step 3: Cross multiply
19,964,812.68x = 27,551,460 × 10,797,455.40 - Step 4: Simplify right side
19,964,812.68x = 297,485,660,554,884 - Step 5: Solve for x
x = 297,485,660,554,884/19,964,812.68 - Step 6: Final answer
x = 14,900,498.46
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1.5x scale
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.