Finding the Fourth Proportional to 11,258,390.76, 15,536,656.02 and 6,101,838.42
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Solution
The fourth proportional to 11,258,390.76, 15,536,656.02 and 6,101,838.42 is: 8,420,578.63
Step by Step Solution
- Step 1: Write the proportion equation
11,258,390.76 : 15,536,656.02 = 6,101,838.42 : x - Step 2: Convert to fraction form
11,258,390.76/15,536,656.02 = 6,101,838.42/x - Step 3: Cross multiply
11,258,390.76x = 15,536,656.02 × 6,101,838.42 - Step 4: Simplify right side
11,258,390.76x = 94,802,164,621,160.28 - Step 5: Solve for x
x = 94,802,164,621,160.28/11,258,390.76 - Step 6: Final answer
x = 8,420,578.63
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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.