Finding the Fourth Proportional to 11,257,731,115.92, 15,529,214,347.92 and 7,021,288,018.08
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Solution
The fourth proportional to 11,257,731,115.92, 15,529,214,347.92 and 7,021,288,018.08 is: 9,685,351,826.98
Step by Step Solution
- Step 1: Write the proportion equation
11,257,731,115.92 : 15,529,214,347.92 = 7,021,288,018.08 : x - Step 2: Convert to fraction form
11,257,731,115.92/15,529,214,347.92 = 7,021,288,018.08/x - Step 3: Cross multiply
11,257,731,115.92x = 15,529,214,347.92 × 7,021,288,018.08 - Step 4: Simplify right side
11,257,731,115.92x = 109,035,086,631,246,708,736 - Step 5: Solve for x
x = 109,035,086,631,246,708,736/11,257,731,115.92 - Step 6: Final answer
x = 9,685,351,826.98
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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.