Finding the Fourth Proportional to 32,980,530.98, 45,513,186.38 and 18,296,197.62
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Solution
The fourth proportional to 32,980,530.98, 45,513,186.38 and 18,296,197.62 is: 25,248,782.47
Step by Step Solution
- Step 1: Write the proportion equation
32,980,530.98 : 45,513,186.38 = 18,296,197.62 : x - Step 2: Convert to fraction form
32,980,530.98/45,513,186.38 = 18,296,197.62/x - Step 3: Cross multiply
32,980,530.98x = 45,513,186.38 × 18,296,197.62 - Step 4: Simplify right side
32,980,530.98x = 832,718,252,324,372.50 - Step 5: Solve for x
x = 832,718,252,324,372.50/32,980,530.98 - Step 6: Final answer
x = 25,248,782.47
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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.