Finding the Fourth Proportional to 8,105,926.79, 11,184,700.10 and 4,621,117.19
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Solution
The fourth proportional to 8,105,926.79, 11,184,700.10 and 4,621,117.19 is: 6,376,298.63
Step by Step Solution
- Step 1: Write the proportion equation
8,105,926.79 : 11,184,700.10 = 4,621,117.19 : x - Step 2: Convert to fraction form
8,105,926.79/11,184,700.10 = 4,621,117.19/x - Step 3: Cross multiply
8,105,926.79x = 11,184,700.10 × 4,621,117.19 - Step 4: Simplify right side
8,105,926.79x = 51,685,809,873,999.14 - Step 5: Solve for x
x = 51,685,809,873,999.14/8,105,926.79 - Step 6: Final answer
x = 6,376,298.63
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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.