Finding the Fourth Proportional to 19,737,733.34, 27,229,731.44 and 13,213,464.68
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Solution
The fourth proportional to 19,737,733.34, 27,229,731.44 and 13,213,464.68 is: 18,228,997.64
Step by Step Solution
- Step 1: Write the proportion equation
19,737,733.34 : 27,229,731.44 = 13,213,464.68 : x - Step 2: Convert to fraction form
19,737,733.34/27,229,731.44 = 13,213,464.68/x - Step 3: Cross multiply
19,737,733.34x = 27,229,731.44 × 13,213,464.68 - Step 4: Simplify right side
19,737,733.34x = 359,799,094,426,109.56 - Step 5: Solve for x
x = 359,799,094,426,109.56/19,737,733.34 - Step 6: Final answer
x = 18,228,997.64
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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.