Finding the Fourth Proportional to 28,740,338.21, 39,655,746.08 and 16,514,833.25
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Solution
The fourth proportional to 28,740,338.21, 39,655,746.08 and 16,514,833.25 is: 22,787,067.75
Step by Step Solution
- Step 1: Write the proportion equation
28,740,338.21 : 39,655,746.08 = 16,514,833.25 : x - Step 2: Convert to fraction form
28,740,338.21/39,655,746.08 = 16,514,833.25/x - Step 3: Cross multiply
28,740,338.21x = 39,655,746.08 × 16,514,833.25 - Step 4: Simplify right side
28,740,338.21x = 654,908,034,086,949.38 - Step 5: Solve for x
x = 654,908,034,086,949.38/28,740,338.21 - Step 6: Final answer
x = 22,787,067.75
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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.