Finding the Fourth Proportional to 13,254,154.00, 18,290,841.73 and 7,452,884.99
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Solution
The fourth proportional to 13,254,154.00, 18,290,841.73 and 7,452,884.99 is: 10,285,042.70
Step by Step Solution
- Step 1: Write the proportion equation
13,254,154.00 : 18,290,841.73 = 7,452,884.99 : x - Step 2: Convert to fraction form
13,254,154.00/18,290,841.73 = 7,452,884.99/x - Step 3: Cross multiply
13,254,154.00x = 18,290,841.73 × 7,452,884.99 - Step 4: Simplify right side
13,254,154.00x = 136,319,539,811,077.52 - Step 5: Solve for x
x = 136,319,539,811,077.52/13,254,154.00 - Step 6: Final answer
x = 10,285,042.70
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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.