Finding the Fourth Proportional to 12,964,374.07, 17,894,563.99 and 8,557,316.48
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Solution
The fourth proportional to 12,964,374.07, 17,894,563.99 and 8,557,316.48 is: 11,811,557.32
Step by Step Solution
- Step 1: Write the proportion equation
12,964,374.07 : 17,894,563.99 = 8,557,316.48 : x - Step 2: Convert to fraction form
12,964,374.07/17,894,563.99 = 8,557,316.48/x - Step 3: Cross multiply
12,964,374.07x = 17,894,563.99 × 8,557,316.48 - Step 4: Simplify right side
12,964,374.07x = 153,129,447,405,519.56 - Step 5: Solve for x
x = 153,129,447,405,519.56/12,964,374.07 - Step 6: Final answer
x = 11,811,557.32
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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.