Finding the Fourth Proportional to 17,909,402.75, 26,869,374.80 and 5,778,638.63
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Solution
The fourth proportional to 17,909,402.75, 26,869,374.80 and 5,778,638.63 is: 8,669,658.58
Step by Step Solution
- Step 1: Write the proportion equation
17,909,402.75 : 26,869,374.80 = 5,778,638.63 : x - Step 2: Convert to fraction form
17,909,402.75/26,869,374.80 = 5,778,638.63/x - Step 3: Cross multiply
17,909,402.75x = 26,869,374.80 × 5,778,638.63 - Step 4: Simplify right side
17,909,402.75x = 155,268,407,120,748.62 - Step 5: Solve for x
x = 155,268,407,120,748.62/17,909,402.75 - Step 6: Final answer
x = 8,669,658.58
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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.