Finding the Fourth Proportional to 29,911,815.97, 41,278,266.08 and 16,160,780.09
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Solution
The fourth proportional to 29,911,815.97, 41,278,266.08 and 16,160,780.09 is: 22,301,854.94
Step by Step Solution
- Step 1: Write the proportion equation
29,911,815.97 : 41,278,266.08 = 16,160,780.09 : x - Step 2: Convert to fraction form
29,911,815.97/41,278,266.08 = 16,160,780.09/x - Step 3: Cross multiply
29,911,815.97x = 41,278,266.08 × 16,160,780.09 - Step 4: Simplify right side
29,911,815.97x = 667,088,980,615,386.25 - Step 5: Solve for x
x = 667,088,980,615,386.25/29,911,815.97 - Step 6: Final answer
x = 22,301,854.94
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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.