Finding the Fourth Proportional to 28,526,337.60, 39,368,301.12 and 16,136,443.68
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Solution
The fourth proportional to 28,526,337.60, 39,368,301.12 and 16,136,443.68 is: 22,269,398.29
Step by Step Solution
- Step 1: Write the proportion equation
28,526,337.60 : 39,368,301.12 = 16,136,443.68 : x - Step 2: Convert to fraction form
28,526,337.60/39,368,301.12 = 16,136,443.68/x - Step 3: Cross multiply
28,526,337.60x = 39,368,301.12 × 16,136,443.68 - Step 4: Simplify right side
28,526,337.60x = 635,264,373,800,160.88 - Step 5: Solve for x
x = 635,264,373,800,160.88/28,526,337.60 - Step 6: Final answer
x = 22,269,398.29
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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.