Finding the Fourth Proportional to 13,562,257.68, 20,343,544.47 and 3,977,827.38
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Solution
The fourth proportional to 13,562,257.68, 20,343,544.47 and 3,977,827.38 is: 5,966,787.40
Step by Step Solution
- Step 1: Write the proportion equation
13,562,257.68 : 20,343,544.47 = 3,977,827.38 : x - Step 2: Convert to fraction form
13,562,257.68/20,343,544.47 = 3,977,827.38/x - Step 3: Cross multiply
13,562,257.68x = 20,343,544.47 × 3,977,827.38 - Step 4: Simplify right side
13,562,257.68x = 80,923,108,199,013.58 - Step 5: Solve for x
x = 80,923,108,199,013.58/13,562,257.68 - Step 6: Final answer
x = 5,966,787.40
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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.