Finding the Fourth Proportional to 10,724,649.12, 14,799,135.96 and 6,313,674.24
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Solution
The fourth proportional to 10,724,649.12, 14,799,135.96 and 6,313,674.24 is: 8,712,352.49
Step by Step Solution
- Step 1: Write the proportion equation
10,724,649.12 : 14,799,135.96 = 6,313,674.24 : x - Step 2: Convert to fraction form
10,724,649.12/14,799,135.96 = 6,313,674.24/x - Step 3: Cross multiply
10,724,649.12x = 14,799,135.96 × 6,313,674.24 - Step 4: Simplify right side
10,724,649.12x = 93,436,923,484,909.67 - Step 5: Solve for x
x = 93,436,923,484,909.67/10,724,649.12 - Step 6: Final answer
x = 8,712,352.49
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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.