Finding the Fourth Proportional to 10,699,121.05, 16,054,980.13 and 3,972,258.97
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Solution
The fourth proportional to 10,699,121.05, 16,054,980.13 and 3,972,258.97 is: 5,960,726.92
Step by Step Solution
- Step 1: Write the proportion equation
10,699,121.05 : 16,054,980.13 = 3,972,258.97 : x - Step 2: Convert to fraction form
10,699,121.05/16,054,980.13 = 3,972,258.97/x - Step 3: Cross multiply
10,699,121.05x = 16,054,980.13 × 3,972,258.97 - Step 4: Simplify right side
10,699,121.05x = 63,774,538,799,392.13 - Step 5: Solve for x
x = 63,774,538,799,392.13/10,699,121.05 - Step 6: Final answer
x = 5,960,726.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.