Finding the Fourth Proportional to 19,578,213.57, 29,377,271.21 and 8,793,314.67
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Solution
The fourth proportional to 19,578,213.57, 29,377,271.21 and 8,793,314.67 is: 13,194,441.31
Step by Step Solution
- Step 1: Write the proportion equation
19,578,213.57 : 29,377,271.21 = 8,793,314.67 : x - Step 2: Convert to fraction form
19,578,213.57/29,377,271.21 = 8,793,314.67/x - Step 3: Cross multiply
19,578,213.57x = 29,377,271.21 × 8,793,314.67 - Step 4: Simplify right side
19,578,213.57x = 258,323,589,851,495.06 - Step 5: Solve for x
x = 258,323,589,851,495.06/19,578,213.57 - Step 6: Final answer
x = 13,194,441.31
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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.