Finding the Fourth Proportional to 20,771,176.14, 31,128,913.59 and 16,165,723.20
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Solution
The fourth proportional to 20,771,176.14, 31,128,913.59 and 16,165,723.20 is: 24,226,909.31
Step by Step Solution
- Step 1: Write the proportion equation
20,771,176.14 : 31,128,913.59 = 16,165,723.20 : x - Step 2: Convert to fraction form
20,771,176.14/31,128,913.59 = 16,165,723.20/x - Step 3: Cross multiply
20,771,176.14x = 31,128,913.59 × 16,165,723.20 - Step 4: Simplify right side
20,771,176.14x = 503,221,400,612,658.25 - Step 5: Solve for x
x = 503,221,400,612,658.25/20,771,176.14 - Step 6: Final answer
x = 24,226,909.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.