Finding the Fourth Proportional to 10,931,596.96, 16,386,421.38 and 3,738,209.08
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Solution
The fourth proportional to 10,931,596.96, 16,386,421.38 and 3,738,209.08 is: 5,603,560.89
Step by Step Solution
- Step 1: Write the proportion equation
10,931,596.96 : 16,386,421.38 = 3,738,209.08 : x - Step 2: Convert to fraction form
10,931,596.96/16,386,421.38 = 3,738,209.08/x - Step 3: Cross multiply
10,931,596.96x = 16,386,421.38 × 3,738,209.08 - Step 4: Simplify right side
10,931,596.96x = 61,255,869,191,422.13 - Step 5: Solve for x
x = 61,255,869,191,422.13/10,931,596.96 - Step 6: Final answer
x = 5,603,560.89
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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.