Finding the Fourth Proportional to 11,709,886.95, 16,159,296.92 and 6,483,128.09
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Solution
The fourth proportional to 11,709,886.95, 16,159,296.92 and 6,483,128.09 is: 8,946,524.60
Step by Step Solution
- Step 1: Write the proportion equation
11,709,886.95 : 16,159,296.92 = 6,483,128.09 : x - Step 2: Convert to fraction form
11,709,886.95/16,159,296.92 = 6,483,128.09/x - Step 3: Cross multiply
11,709,886.95x = 16,159,296.92 × 6,483,128.09 - Step 4: Simplify right side
11,709,886.95x = 104,762,791,663,490.34 - Step 5: Solve for x
x = 104,762,791,663,490.34/11,709,886.95 - Step 6: Final answer
x = 8,946,524.60
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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.