Finding the Fourth Proportional to 8,635,219.11, 11,917,069.52 and 4,767,728.31
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Solution
The fourth proportional to 8,635,219.11, 11,917,069.52 and 4,767,728.31 is: 6,579,722.99
Step by Step Solution
- Step 1: Write the proportion equation
8,635,219.11 : 11,917,069.52 = 4,767,728.31 : x - Step 2: Convert to fraction form
8,635,219.11/11,917,069.52 = 4,767,728.31/x - Step 3: Cross multiply
8,635,219.11x = 11,917,069.52 × 4,767,728.31 - Step 4: Simplify right side
8,635,219.11x = 56,817,349,698,903.47 - Step 5: Solve for x
x = 56,817,349,698,903.47/8,635,219.11 - Step 6: Final answer
x = 6,579,722.99
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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.