Finding the Fourth Proportional to 11,565,466.26, 15,960,437.20 and 6,408,913.92
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Solution
The fourth proportional to 11,565,466.26, 15,960,437.20 and 6,408,913.92 is: 8,844,353.17
Step by Step Solution
- Step 1: Write the proportion equation
11,565,466.26 : 15,960,437.20 = 6,408,913.92 : x - Step 2: Convert to fraction form
11,565,466.26/15,960,437.20 = 6,408,913.92/x - Step 3: Cross multiply
11,565,466.26x = 15,960,437.20 × 6,408,913.92 - Step 4: Simplify right side
11,565,466.26x = 102,289,068,140,365.81 - Step 5: Solve for x
x = 102,289,068,140,365.81/11,565,466.26 - Step 6: Final answer
x = 8,844,353.17
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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.