Finding the Fourth Proportional to 14,996,996.78, 22,496,334.57 and 4,213,455.95
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Solution
The fourth proportional to 14,996,996.78, 22,496,334.57 and 4,213,455.95 is: 6,320,419.75
Step by Step Solution
- Step 1: Write the proportion equation
14,996,996.78 : 22,496,334.57 = 4,213,455.95 : x - Step 2: Convert to fraction form
14,996,996.78/22,496,334.57 = 4,213,455.95/x - Step 3: Cross multiply
14,996,996.78x = 22,496,334.57 × 4,213,455.95 - Step 4: Simplify right side
14,996,996.78x = 94,787,314,634,675.53 - Step 5: Solve for x
x = 94,787,314,634,675.53/14,996,996.78 - Step 6: Final answer
x = 6,320,419.75
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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.