Finding the Fourth Proportional to 11,508,124.96, 15,881,134.24 and 6,351,486.40
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Solution
The fourth proportional to 11,508,124.96, 15,881,134.24 and 6,351,486.40 is: 8,765,008.07
Step by Step Solution
- Step 1: Write the proportion equation
11,508,124.96 : 15,881,134.24 = 6,351,486.40 : x - Step 2: Convert to fraction form
11,508,124.96/15,881,134.24 = 6,351,486.40/x - Step 3: Cross multiply
11,508,124.96x = 15,881,134.24 × 6,351,486.40 - Step 4: Simplify right side
11,508,124.96x = 100,868,808,141,934.34 - Step 5: Solve for x
x = 100,868,808,141,934.34/11,508,124.96 - Step 6: Final answer
x = 8,765,008.07
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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.