Finding the Fourth Proportional to 15,552,014.14, 21,461,792.97 and 8,676,497.62
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Solution
The fourth proportional to 15,552,014.14, 21,461,792.97 and 8,676,497.62 is: 11,973,574.22
Step by Step Solution
- Step 1: Write the proportion equation
15,552,014.14 : 21,461,792.97 = 8,676,497.62 : x - Step 2: Convert to fraction form
15,552,014.14/21,461,792.97 = 8,676,497.62/x - Step 3: Cross multiply
15,552,014.14x = 21,461,792.97 × 8,676,497.62 - Step 4: Simplify right side
15,552,014.14x = 186,213,195,625,137.72 - Step 5: Solve for x
x = 186,213,195,625,137.72/15,552,014.14 - Step 6: Final answer
x = 11,973,574.22
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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.