Finding the Fourth Proportional to 14,455,754.19, 19,949,955.51 and 8,261,717.10
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Solution
The fourth proportional to 14,455,754.19, 19,949,955.51 and 8,261,717.10 is: 11,401,749.53
Step by Step Solution
- Step 1: Write the proportion equation
14,455,754.19 : 19,949,955.51 = 8,261,717.10 : x - Step 2: Convert to fraction form
14,455,754.19/19,949,955.51 = 8,261,717.10/x - Step 3: Cross multiply
14,455,754.19x = 19,949,955.51 × 8,261,717.10 - Step 4: Simplify right side
14,455,754.19x = 164,820,888,581,206.22 - Step 5: Solve for x
x = 164,820,888,581,206.22/14,455,754.19 - Step 6: Final answer
x = 11,401,749.53
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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.