Finding the Fourth Proportional to 28,740,346.22, 39,655,757.12 and 16,514,841.26
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Solution
The fourth proportional to 28,740,346.22, 39,655,757.12 and 16,514,841.26 is: 22,787,078.79
Step by Step Solution
- Step 1: Write the proportion equation
28,740,346.22 : 39,655,757.12 = 16,514,841.26 : x - Step 2: Convert to fraction form
28,740,346.22/39,655,757.12 = 16,514,841.26/x - Step 3: Cross multiply
28,740,346.22x = 39,655,757.12 × 16,514,841.26 - Step 4: Simplify right side
28,740,346.22x = 654,908,533,881,914.75 - Step 5: Solve for x
x = 654,908,533,881,914.75/28,740,346.22 - Step 6: Final answer
x = 22,787,078.79
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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.