Finding the Fourth Proportional to 13,956,525.13, 19,260,015.66 and 7,761,436.66
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Solution
The fourth proportional to 13,956,525.13, 19,260,015.66 and 7,761,436.66 is: 10,710,788.70
Step by Step Solution
- Step 1: Write the proportion equation
13,956,525.13 : 19,260,015.66 = 7,761,436.66 : x - Step 2: Convert to fraction form
13,956,525.13/19,260,015.66 = 7,761,436.66/x - Step 3: Cross multiply
13,956,525.13x = 19,260,015.66 × 7,761,436.66 - Step 4: Simplify right side
13,956,525.13x = 149,485,391,615,698.09 - Step 5: Solve for x
x = 149,485,391,615,698.09/13,956,525.13 - Step 6: Final answer
x = 10,710,788.70
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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.