Finding the Fourth Proportional to 22,664,666.99, 31,268,362.12 and 13,947,705.99
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Solution
The fourth proportional to 22,664,666.99, 31,268,362.12 and 13,947,705.99 is: 19,242,370.60
Step by Step Solution
- Step 1: Write the proportion equation
22,664,666.99 : 31,268,362.12 = 13,947,705.99 : x - Step 2: Convert to fraction form
22,664,666.99/31,268,362.12 = 13,947,705.99/x - Step 3: Cross multiply
22,664,666.99x = 31,268,362.12 × 13,947,705.99 - Step 4: Simplify right side
22,664,666.99x = 436,121,921,638,613.12 - Step 5: Solve for x
x = 436,121,921,638,613.12/22,664,666.99 - Step 6: Final answer
x = 19,242,370.60
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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.