Finding the Fourth Proportional to 19,586,122.60, 29,383,331.10 and 5,938,148.20
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Solution
The fourth proportional to 19,586,122.60, 29,383,331.10 and 5,938,148.20 is: 8,908,479.65
Step by Step Solution
- Step 1: Write the proportion equation
19,586,122.60 : 29,383,331.10 = 5,938,148.20 : x - Step 2: Convert to fraction form
19,586,122.60/29,383,331.10 = 5,938,148.20/x - Step 3: Cross multiply
19,586,122.60x = 29,383,331.10 × 5,938,148.20 - Step 4: Simplify right side
19,586,122.60x = 174,482,574,681,469.03 - Step 5: Solve for x
x = 174,482,574,681,469.03/19,586,122.60 - Step 6: Final answer
x = 8,908,479.65
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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.