Finding the Fourth Proportional to 21,624,563.08, 29,682,937.73 and 19,122,349.96
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Solution
The fourth proportional to 21,624,563.08, 29,682,937.73 and 19,122,349.96 is: 26,248,277.06
Step by Step Solution
- Step 1: Write the proportion equation
21,624,563.08 : 29,682,937.73 = 19,122,349.96 : x - Step 2: Convert to fraction form
21,624,563.08/29,682,937.73 = 19,122,349.96/x - Step 3: Cross multiply
21,624,563.08x = 29,682,937.73 × 19,122,349.96 - Step 4: Simplify right side
21,624,563.08x = 567,607,523,113,948 - Step 5: Solve for x
x = 567,607,523,113,948/21,624,563.08 - Step 6: Final answer
x = 26,248,277.06
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.