Finding the Fourth Proportional to 11,195,828.07, 15,444,317.09 and 7,705,106.63
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Solution
The fourth proportional to 11,195,828.07, 15,444,317.09 and 7,705,106.63 is: 10,628,969.05
Step by Step Solution
- Step 1: Write the proportion equation
11,195,828.07 : 15,444,317.09 = 7,705,106.63 : x - Step 2: Convert to fraction form
11,195,828.07/15,444,317.09 = 7,705,106.63/x - Step 3: Cross multiply
11,195,828.07x = 15,444,317.09 × 7,705,106.63 - Step 4: Simplify right side
11,195,828.07x = 119,000,110,005,981.30 - Step 5: Solve for x
x = 119,000,110,005,981.30/11,195,828.07 - Step 6: Final answer
x = 10,628,969.05
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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.