Finding the Fourth Proportional to 32,818,903.74, 45,292,669.98 and 18,690,686.49
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Solution
The fourth proportional to 32,818,903.74, 45,292,669.98 and 18,690,686.49 is: 25,794,618.30
Step by Step Solution
- Step 1: Write the proportion equation
32,818,903.74 : 45,292,669.98 = 18,690,686.49 : x - Step 2: Convert to fraction form
32,818,903.74/45,292,669.98 = 18,690,686.49/x - Step 3: Cross multiply
32,818,903.74x = 45,292,669.98 × 18,690,686.49 - Step 4: Simplify right side
32,818,903.74x = 846,551,094,891,214.38 - Step 5: Solve for x
x = 846,551,094,891,214.38/32,818,903.74 - Step 6: Final answer
x = 25,794,618.30
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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.