Finding the Fourth Proportional to 11,575,087.65, 15,972,470.06 and 6,681,886.17
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Solution
The fourth proportional to 11,575,087.65, 15,972,470.06 and 6,681,886.17 is: 9,220,338.53
Step by Step Solution
- Step 1: Write the proportion equation
11,575,087.65 : 15,972,470.06 = 6,681,886.17 : x - Step 2: Convert to fraction form
11,575,087.65/15,972,470.06 = 6,681,886.17/x - Step 3: Cross multiply
11,575,087.65x = 15,972,470.06 × 6,681,886.17 - Step 4: Simplify right side
11,575,087.65x = 106,726,226,701,346.88 - Step 5: Solve for x
x = 106,726,226,701,346.88/11,575,087.65 - Step 6: Final answer
x = 9,220,338.53
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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.