Finding the Fourth Proportional to 26,577,694.35, 39,720,885.64 and 19,404,334.35
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Solution
The fourth proportional to 26,577,694.35, 39,720,885.64 and 19,404,334.35 is: 29,000,158.38
Step by Step Solution
- Step 1: Write the proportion equation
26,577,694.35 : 39,720,885.64 = 19,404,334.35 : x - Step 2: Convert to fraction form
26,577,694.35/39,720,885.64 = 19,404,334.35/x - Step 3: Cross multiply
26,577,694.35x = 39,720,885.64 × 19,404,334.35 - Step 4: Simplify right side
26,577,694.35x = 770,757,345,588,163 - Step 5: Solve for x
x = 770,757,345,588,163/26,577,694.35 - Step 6: Final answer
x = 29,000,158.38
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.