Finding the Fourth Proportional to 9,384,076.26, 12,938,991.98 and 7,522,002.99
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Solution
The fourth proportional to 9,384,076.26, 12,938,991.98 and 7,522,002.99 is: 10,371,520.18
Step by Step Solution
- Step 1: Write the proportion equation
9,384,076.26 : 12,938,991.98 = 7,522,002.99 : x - Step 2: Convert to fraction form
9,384,076.26/12,938,991.98 = 7,522,002.99/x - Step 3: Cross multiply
9,384,076.26x = 12,938,991.98 × 7,522,002.99 - Step 4: Simplify right side
9,384,076.26x = 97,327,136,323,536 - Step 5: Solve for x
x = 97,327,136,323,536/9,384,076.26 - Step 6: Final answer
x = 10,371,520.18
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.