Finding the Fourth Proportional to 22,220,085.68, 33,299,865.84 and 12,509,330.48
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Solution
The fourth proportional to 22,220,085.68, 33,299,865.84 and 12,509,330.48 is: 18,746,958.62
Step by Step Solution
- Step 1: Write the proportion equation
22,220,085.68 : 33,299,865.84 = 12,509,330.48 : x - Step 2: Convert to fraction form
22,220,085.68/33,299,865.84 = 12,509,330.48/x - Step 3: Cross multiply
22,220,085.68x = 33,299,865.84 × 12,509,330.48 - Step 4: Simplify right side
22,220,085.68x = 416,559,026,732,222.81 - Step 5: Solve for x
x = 416,559,026,732,222.81/22,220,085.68 - Step 6: Final answer
x = 18,746,958.62
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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.