Finding the Fourth Proportional to 11,386,272.90, 15,713,449.02 and 6,229,634.70
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Solution
The fourth proportional to 11,386,272.90, 15,713,449.02 and 6,229,634.70 is: 8,597,110.58
Step by Step Solution
- Step 1: Write the proportion equation
11,386,272.90 : 15,713,449.02 = 6,229,634.70 : x - Step 2: Convert to fraction form
11,386,272.90/15,713,449.02 = 6,229,634.70/x - Step 3: Cross multiply
11,386,272.90x = 15,713,449.02 × 6,229,634.70 - Step 4: Simplify right side
11,386,272.90x = 97,889,047,271,673 - Step 5: Solve for x
x = 97,889,047,271,673/11,386,272.90 - Step 6: Final answer
x = 8,597,110.58
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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.