Finding the Fourth Proportional to 29,623,170.51, 40,862,099.88 and 19,564,731.09
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Solution
The fourth proportional to 29,623,170.51, 40,862,099.88 and 19,564,731.09 is: 26,987,523.02
Step by Step Solution
- Step 1: Write the proportion equation
29,623,170.51 : 40,862,099.88 = 19,564,731.09 : x - Step 2: Convert to fraction form
29,623,170.51/40,862,099.88 = 19,564,731.09/x - Step 3: Cross multiply
29,623,170.51x = 40,862,099.88 × 19,564,731.09 - Step 4: Simplify right side
29,623,170.51x = 799,455,995,924,921.38 - Step 5: Solve for x
x = 799,455,995,924,921.38/29,623,170.51 - Step 6: Final answer
x = 26,987,523.02
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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.