Finding the Fourth Proportional to 28,740,359.09, 39,655,774.99 and 16,514,854.13
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Solution
The fourth proportional to 28,740,359.09, 39,655,774.99 and 16,514,854.13 is: 22,787,096.62
Step by Step Solution
- Step 1: Write the proportion equation
28,740,359.09 : 39,655,774.99 = 16,514,854.13 : x - Step 2: Convert to fraction form
28,740,359.09/39,655,774.99 = 16,514,854.13/x - Step 3: Cross multiply
28,740,359.09x = 39,655,774.99 × 16,514,854.13 - Step 4: Simplify right side
28,740,359.09x = 654,909,339,371,952.25 - Step 5: Solve for x
x = 654,909,339,371,952.25/28,740,359.09 - Step 6: Final answer
x = 22,787,096.62
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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.