Finding the Fourth Proportional to 11,561,573.18, 15,955,950.76 and 6,406,551.74
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Solution
The fourth proportional to 11,561,573.18, 15,955,950.76 and 6,406,551.74 is: 8,841,584.31
Step by Step Solution
- Step 1: Write the proportion equation
11,561,573.18 : 15,955,950.76 = 6,406,551.74 : x - Step 2: Convert to fraction form
11,561,573.18/15,955,950.76 = 6,406,551.74/x - Step 3: Cross multiply
11,561,573.18x = 15,955,950.76 × 6,406,551.74 - Step 4: Simplify right side
11,561,573.18x = 102,222,624,009,036.20 - Step 5: Solve for x
x = 102,222,624,009,036.20/11,561,573.18 - Step 6: Final answer
x = 8,841,584.31
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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.