Finding the Fourth Proportional to 39,752,740.20, 59,636,108.70 and 14,208,580.20
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Solution
The fourth proportional to 39,752,740.20, 59,636,108.70 and 14,208,580.20 is: 21,315,371.70
Step by Step Solution
- Step 1: Write the proportion equation
39,752,740.20 : 59,636,108.70 = 14,208,580.20 : x - Step 2: Convert to fraction form
39,752,740.20/59,636,108.70 = 14,208,580.20/x - Step 3: Cross multiply
39,752,740.20x = 59,636,108.70 × 14,208,580.20 - Step 4: Simplify right side
39,752,740.20x = 847,344,433,279,867.75 - Step 5: Solve for x
x = 847,344,433,279,867.75/39,752,740.20 - Step 6: Final answer
x = 21,315,371.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.