Finding the Fourth Proportional to 21,921,170.88, 32,889,058.84 and 7,349,532.28
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Solution
The fourth proportional to 21,921,170.88, 32,889,058.84 and 7,349,532.28 is: 11,026,746.74
Step by Step Solution
- Step 1: Write the proportion equation
21,921,170.88 : 32,889,058.84 = 7,349,532.28 : x - Step 2: Convert to fraction form
21,921,170.88/32,889,058.84 = 7,349,532.28/x - Step 3: Cross multiply
21,921,170.88x = 32,889,058.84 × 7,349,532.28 - Step 4: Simplify right side
21,921,170.88x = 241,719,199,603,399.38 - Step 5: Solve for x
x = 241,719,199,603,399.38/21,921,170.88 - Step 6: Final answer
x = 11,026,746.74
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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.