Finding the Fourth Proportional to 32,980,530.36, 45,513,185.52 and 18,296,196.99
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Solution
The fourth proportional to 32,980,530.36, 45,513,185.52 and 18,296,196.99 is: 25,248,781.60
Step by Step Solution
- Step 1: Write the proportion equation
32,980,530.36 : 45,513,185.52 = 18,296,196.99 : x - Step 2: Convert to fraction form
32,980,530.36/45,513,185.52 = 18,296,196.99/x - Step 3: Cross multiply
32,980,530.36x = 45,513,185.52 × 18,296,196.99 - Step 4: Simplify right side
32,980,530.36x = 832,718,207,824,854.50 - Step 5: Solve for x
x = 832,718,207,824,854.50/32,980,530.36 - Step 6: Final answer
x = 25,248,781.60
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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.