Finding the Fourth Proportional to 8,911,160.18, 13,369,619.10 and 4,121,991.14
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Solution
The fourth proportional to 8,911,160.18, 13,369,619.10 and 4,121,991.14 is: 6,184,318.36
Step by Step Solution
- Step 1: Write the proportion equation
8,911,160.18 : 13,369,619.10 = 4,121,991.14 : x - Step 2: Convert to fraction form
8,911,160.18/13,369,619.10 = 4,121,991.14/x - Step 3: Cross multiply
8,911,160.18x = 13,369,619.10 × 4,121,991.14 - Step 4: Simplify right side
8,911,160.18x = 55,109,451,475,374.77 - Step 5: Solve for x
x = 55,109,451,475,374.77/8,911,160.18 - Step 6: Final answer
x = 6,184,318.36
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.