Finding the Fourth Proportional to 45,510,112.90, 68,274,026.70 and 13,163,070.70
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Solution
The fourth proportional to 45,510,112.90, 68,274,026.70 and 13,163,070.70 is: 19,747,167.90
Step by Step Solution
- Step 1: Write the proportion equation
45,510,112.90 : 68,274,026.70 = 13,163,070.70 : x - Step 2: Convert to fraction form
45,510,112.90/68,274,026.70 = 13,163,070.70/x - Step 3: Cross multiply
45,510,112.90x = 68,274,026.70 × 13,163,070.70 - Step 4: Simplify right side
45,510,112.90x = 898,695,840,425,787.62 - Step 5: Solve for x
x = 898,695,840,425,787.62/45,510,112.90 - Step 6: Final answer
x = 19,747,167.90
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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.