Finding the Fourth Proportional to 12,565,077.05, 18,845,371.80 and 3,343,102.53
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Solution
The fourth proportional to 12,565,077.05, 18,845,371.80 and 3,343,102.53 is: 5,014,056.81
Step by Step Solution
- Step 1: Write the proportion equation
12,565,077.05 : 18,845,371.80 = 3,343,102.53 : x - Step 2: Convert to fraction form
12,565,077.05/18,845,371.80 = 3,343,102.53/x - Step 3: Cross multiply
12,565,077.05x = 18,845,371.80 × 3,343,102.53 - Step 4: Simplify right side
12,565,077.05x = 63,002,010,143,370.66 - Step 5: Solve for x
x = 63,002,010,143,370.66/12,565,077.05 - Step 6: Final answer
x = 5,014,056.81
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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.