Finding the Fourth Proportional to 19,830,787.50, 29,747,547.74 and 8,304,649.62
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Solution
The fourth proportional to 19,830,787.50, 29,747,547.74 and 8,304,649.62 is: 12,457,546.68
Step by Step Solution
- Step 1: Write the proportion equation
19,830,787.50 : 29,747,547.74 = 8,304,649.62 : x - Step 2: Convert to fraction form
19,830,787.50/29,747,547.74 = 8,304,649.62/x - Step 3: Cross multiply
19,830,787.50x = 29,747,547.74 × 8,304,649.62 - Step 4: Simplify right side
19,830,787.50x = 247,042,961,034,922.84 - Step 5: Solve for x
x = 247,042,961,034,922.84/19,830,787.50 - Step 6: Final answer
x = 12,457,546.68
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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.