Finding the Fourth Proportional to 14,894,143.18, 20,555,989.55 and 8,368,277.74
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Solution
The fourth proportional to 14,894,143.18, 20,555,989.55 and 8,368,277.74 is: 11,549,387.41
Step by Step Solution
- Step 1: Write the proportion equation
14,894,143.18 : 20,555,989.55 = 8,368,277.74 : x - Step 2: Convert to fraction form
14,894,143.18/20,555,989.55 = 8,368,277.74/x - Step 3: Cross multiply
14,894,143.18x = 20,555,989.55 × 8,368,277.74 - Step 4: Simplify right side
14,894,143.18x = 172,018,229,713,087.28 - Step 5: Solve for x
x = 172,018,229,713,087.28/14,894,143.18 - Step 6: Final answer
x = 11,549,387.41
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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.