Finding the Fourth Proportional to 11,307,915.74, 15,604,911.91 and 6,151,264.99
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Solution
The fourth proportional to 11,307,915.74, 15,604,911.91 and 6,151,264.99 is: 8,488,739.26
Step by Step Solution
- Step 1: Write the proportion equation
11,307,915.74 : 15,604,911.91 = 6,151,264.99 : x - Step 2: Convert to fraction form
11,307,915.74/15,604,911.91 = 6,151,264.99/x - Step 3: Cross multiply
11,307,915.74x = 15,604,911.91 × 6,151,264.99 - Step 4: Simplify right side
11,307,915.74x = 95,989,948,304,017.03 - Step 5: Solve for x
x = 95,989,948,304,017.03/11,307,915.74 - Step 6: Final answer
x = 8,488,739.26
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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.