Finding the Fourth Proportional to 18,676,516.65, 28,014,774.98 and 14,897,380.65
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Solution
The fourth proportional to 18,676,516.65, 28,014,774.98 and 14,897,380.65 is: 22,346,070.98
Step by Step Solution
- Step 1: Write the proportion equation
18,676,516.65 : 28,014,774.98 = 14,897,380.65 : x - Step 2: Convert to fraction form
18,676,516.65/28,014,774.98 = 14,897,380.65/x - Step 3: Cross multiply
18,676,516.65x = 28,014,774.98 × 14,897,380.65 - Step 4: Simplify right side
18,676,516.65x = 417,346,766,626,669.25 - Step 5: Solve for x
x = 417,346,766,626,669.25/18,676,516.65 - Step 6: Final answer
x = 22,346,070.98
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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.