Finding the Fourth Proportional to 11,565,468.26, 15,960,439.96 and 6,408,915.92
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Solution
The fourth proportional to 11,565,468.26, 15,960,439.96 and 6,408,915.92 is: 8,844,355.93
Step by Step Solution
- Step 1: Write the proportion equation
11,565,468.26 : 15,960,439.96 = 6,408,915.92 : x - Step 2: Convert to fraction form
11,565,468.26/15,960,439.96 = 6,408,915.92/x - Step 3: Cross multiply
11,565,468.26x = 15,960,439.96 × 6,408,915.92 - Step 4: Simplify right side
11,565,468.26x = 102,289,117,749,848.17 - Step 5: Solve for x
x = 102,289,117,749,848.17/11,565,468.26 - Step 6: Final answer
x = 8,844,355.93
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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.