Finding the Fourth Proportional to 9,701,179.20, 14,551,768.80 and 2,877,998.40
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Solution
The fourth proportional to 9,701,179.20, 14,551,768.80 and 2,877,998.40 is: 4,316,997.60
Step by Step Solution
- Step 1: Write the proportion equation
9,701,179.20 : 14,551,768.80 = 2,877,998.40 : x - Step 2: Convert to fraction form
9,701,179.20/14,551,768.80 = 2,877,998.40/x - Step 3: Cross multiply
9,701,179.20x = 14,551,768.80 × 2,877,998.40 - Step 4: Simplify right side
9,701,179.20x = 41,879,967,323,569.92 - Step 5: Solve for x
x = 41,879,967,323,569.92/9,701,179.20 - Step 6: Final answer
x = 4,316,997.60
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1.5x scale
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.