Finding the Fourth Proportional to 11,278,274.04, 15,564,032.64 and 6,121,634.28
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Solution
The fourth proportional to 11,278,274.04, 15,564,032.64 and 6,121,634.28 is: 8,447,863.16
Step by Step Solution
- Step 1: Write the proportion equation
11,278,274.04 : 15,564,032.64 = 6,121,634.28 : x - Step 2: Convert to fraction form
11,278,274.04/15,564,032.64 = 6,121,634.28/x - Step 3: Cross multiply
11,278,274.04x = 15,564,032.64 × 6,121,634.28 - Step 4: Simplify right side
11,278,274.04x = 95,277,315,744,062.91 - Step 5: Solve for x
x = 95,277,315,744,062.91/11,278,274.04 - Step 6: Final answer
x = 8,447,863.16
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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.