Finding the Fourth Proportional to 21,334,498.64, 29,441,685.68 and 11,544,941.84
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Solution
The fourth proportional to 21,334,498.64, 29,441,685.68 and 11,544,941.84 is: 15,932,061.71
Step by Step Solution
- Step 1: Write the proportion equation
21,334,498.64 : 29,441,685.68 = 11,544,941.84 : x - Step 2: Convert to fraction form
21,334,498.64/29,441,685.68 = 11,544,941.84/x - Step 3: Cross multiply
21,334,498.64x = 29,441,685.68 × 11,544,941.84 - Step 4: Simplify right side
21,334,498.64x = 339,902,548,847,160.81 - Step 5: Solve for x
x = 339,902,548,847,160.81/21,334,498.64 - Step 6: Final answer
x = 15,932,061.71
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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.