Finding the Fourth Proportional to 12,964,377.08, 17,894,568.14 and 8,557,319.49
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Solution
The fourth proportional to 12,964,377.08, 17,894,568.14 and 8,557,319.49 is: 11,811,561.46
Step by Step Solution
- Step 1: Write the proportion equation
12,964,377.08 : 17,894,568.14 = 8,557,319.49 : x - Step 2: Convert to fraction form
12,964,377.08/17,894,568.14 = 8,557,319.49/x - Step 3: Cross multiply
12,964,377.08x = 17,894,568.14 × 8,557,319.49 - Step 4: Simplify right side
12,964,377.08x = 153,129,536,666,768.47 - Step 5: Solve for x
x = 153,129,536,666,768.47/12,964,377.08 - Step 6: Final answer
x = 11,811,561.46
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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.