Finding the Fourth Proportional to 28,526,353.60, 39,368,323.20 and 16,136,459.68
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Solution
The fourth proportional to 28,526,353.60, 39,368,323.20 and 16,136,459.68 is: 22,269,420.37
Step by Step Solution
- Step 1: Write the proportion equation
28,526,353.60 : 39,368,323.20 = 16,136,459.68 : x - Step 2: Convert to fraction form
28,526,353.60/39,368,323.20 = 16,136,459.68/x - Step 3: Cross multiply
28,526,353.60x = 39,368,323.20 × 16,136,459.68 - Step 4: Simplify right side
28,526,353.60x = 635,265,359,986,008.62 - Step 5: Solve for x
x = 635,265,359,986,008.62/28,526,353.60 - Step 6: Final answer
x = 22,269,420.37
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.