Finding the Fourth Proportional to 19,796,427.80, 29,694,641.70 and 16,607,781.80
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Solution
The fourth proportional to 19,796,427.80, 29,694,641.70 and 16,607,781.80 is: 24,911,672.70
Step by Step Solution
- Step 1: Write the proportion equation
19,796,427.80 : 29,694,641.70 = 16,607,781.80 : x - Step 2: Convert to fraction form
19,796,427.80/29,694,641.70 = 16,607,781.80/x - Step 3: Cross multiply
19,796,427.80x = 29,694,641.70 × 16,607,781.80 - Step 4: Simplify right side
19,796,427.80x = 493,162,129,982,781.06 - Step 5: Solve for x
x = 493,162,129,982,781.06/19,796,427.80 - Step 6: Final answer
x = 24,911,672.70
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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.