Finding the Fourth Proportional to 11,403,665.18, 15,736,932.69 and 6,176,543.39
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Solution
The fourth proportional to 11,403,665.18, 15,736,932.69 and 6,176,543.39 is: 8,523,562.03
Step by Step Solution
- Step 1: Write the proportion equation
11,403,665.18 : 15,736,932.69 = 6,176,543.39 : x - Step 2: Convert to fraction form
11,403,665.18/15,736,932.69 = 6,176,543.39/x - Step 3: Cross multiply
11,403,665.18x = 15,736,932.69 × 6,176,543.39 - Step 4: Simplify right side
11,403,665.18x = 97,199,847,585,294.41 - Step 5: Solve for x
x = 97,199,847,585,294.41/11,403,665.18 - Step 6: Final answer
x = 8,523,562.03
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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.