Finding the Fourth Proportional to 11,238,125.15, 15,508,612.72 and 6,081,486.70
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Solution
The fourth proportional to 11,238,125.15, 15,508,612.72 and 6,081,486.70 is: 8,392,451.65
Step by Step Solution
- Step 1: Write the proportion equation
11,238,125.15 : 15,508,612.72 = 6,081,486.70 : x - Step 2: Convert to fraction form
11,238,125.15/15,508,612.72 = 6,081,486.70/x - Step 3: Cross multiply
11,238,125.15x = 15,508,612.72 × 6,081,486.70 - Step 4: Simplify right side
11,238,125.15x = 94,315,421,992,130.83 - Step 5: Solve for x
x = 94,315,421,992,130.83/11,238,125.15 - Step 6: Final answer
x = 8,392,451.65
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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.