Finding the Fourth Proportional to 46,651,779.56, 69,977,419.57 and 12,108,156.08
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Solution
The fourth proportional to 46,651,779.56, 69,977,419.57 and 12,108,156.08 is: 18,162,169.29
Step by Step Solution
- Step 1: Write the proportion equation
46,651,779.56 : 69,977,419.57 = 12,108,156.08 : x - Step 2: Convert to fraction form
46,651,779.56/69,977,419.57 = 12,108,156.08/x - Step 3: Cross multiply
46,651,779.56x = 69,977,419.57 × 12,108,156.08 - Step 4: Simplify right side
46,651,779.56x = 847,297,517,894,454.62 - Step 5: Solve for x
x = 847,297,517,894,454.62/46,651,779.56 - Step 6: Final answer
x = 18,162,169.29
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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.