Finding the Fourth Proportional to 18,232,501.24, 25,168,599.75 and 11,360,378.62
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Solution
The fourth proportional to 18,232,501.24, 25,168,599.75 and 11,360,378.62 is: 15,682,150.17
Step by Step Solution
- Step 1: Write the proportion equation
18,232,501.24 : 25,168,599.75 = 11,360,378.62 : x - Step 2: Convert to fraction form
18,232,501.24/25,168,599.75 = 11,360,378.62/x - Step 3: Cross multiply
18,232,501.24x = 25,168,599.75 × 11,360,378.62 - Step 4: Simplify right side
18,232,501.24x = 285,924,822,495,237.31 - Step 5: Solve for x
x = 285,924,822,495,237.31/18,232,501.24 - Step 6: Final answer
x = 15,682,150.17
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1.5x scale
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.