Finding the Fourth Proportional to 28,740,354.15, 39,655,768.05 and 16,514,849.19
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Solution
The fourth proportional to 28,740,354.15, 39,655,768.05 and 16,514,849.19 is: 22,787,089.73
Step by Step Solution
- Step 1: Write the proportion equation
28,740,354.15 : 39,655,768.05 = 16,514,849.19 : x - Step 2: Convert to fraction form
28,740,354.15/39,655,768.05 = 16,514,849.19/x - Step 3: Cross multiply
28,740,354.15x = 39,655,768.05 × 16,514,849.19 - Step 4: Simplify right side
28,740,354.15x = 654,909,028,859,370.25 - Step 5: Solve for x
x = 654,909,028,859,370.25/28,740,354.15 - Step 6: Final answer
x = 22,787,089.73
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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.