Finding the Fourth Proportional to 19,468,804.20, 26,863,965.41 and 11,207,270.15
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Solution
The fourth proportional to 19,468,804.20, 26,863,965.41 and 11,207,270.15 is: 15,464,314.84
Step by Step Solution
- Step 1: Write the proportion equation
19,468,804.20 : 26,863,965.41 = 11,207,270.15 : x - Step 2: Convert to fraction form
19,468,804.20/26,863,965.41 = 11,207,270.15/x - Step 3: Cross multiply
19,468,804.20x = 26,863,965.41 × 11,207,270.15 - Step 4: Simplify right side
19,468,804.20x = 301,071,717,650,125.50 - Step 5: Solve for x
x = 301,071,717,650,125.50/19,468,804.20 - Step 6: Final answer
x = 15,464,314.84
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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.