Finding the Fourth Proportional to 21,626,767.08, 29,841,726.82 and 13,135,489
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Solution
The fourth proportional to 21,626,767.08, 29,841,726.82 and 13,135,489 is: 18,125,024.09
Step by Step Solution
- Step 1: Write the proportion equation
21,626,767.08 : 29,841,726.82 = 13,135,489 : x - Step 2: Convert to fraction form
21,626,767.08/29,841,726.82 = 13,135,489/x - Step 3: Cross multiply
21,626,767.08x = 29,841,726.82 × 13,135,489 - Step 4: Simplify right side
21,626,767.08x = 391,985,674,385,115 - Step 5: Solve for x
x = 391,985,674,385,115/21,626,767.08 - Step 6: Final answer
x = 18,125,024.09
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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.