Finding the Fourth Proportional to 7,885,219.84, 11,838,721.56 and 5,450,374.96
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Solution
The fourth proportional to 7,885,219.84, 11,838,721.56 and 5,450,374.96 is: 8,183,091.01
Step by Step Solution
- Step 1: Write the proportion equation
7,885,219.84 : 11,838,721.56 = 5,450,374.96 : x - Step 2: Convert to fraction form
7,885,219.84/11,838,721.56 = 5,450,374.96/x - Step 3: Cross multiply
7,885,219.84x = 11,838,721.56 × 5,450,374.96 - Step 4: Simplify right side
7,885,219.84x = 64,525,471,549,036.14 - Step 5: Solve for x
x = 64,525,471,549,036.14/7,885,219.84 - Step 6: Final answer
x = 8,183,091.01
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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.