Finding the Fourth Proportional to 22,068,220.48, 33,102,515.12 and 7,691,264.96
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Solution
The fourth proportional to 22,068,220.48, 33,102,515.12 and 7,691,264.96 is: 11,536,961.71
Step by Step Solution
- Step 1: Write the proportion equation
22,068,220.48 : 33,102,515.12 = 7,691,264.96 : x - Step 2: Convert to fraction form
22,068,220.48/33,102,515.12 = 7,691,264.96/x - Step 3: Cross multiply
22,068,220.48x = 33,102,515.12 × 7,691,264.96 - Step 4: Simplify right side
22,068,220.48x = 254,600,214,630,326.19 - Step 5: Solve for x
x = 254,600,214,630,326.19/22,068,220.48 - Step 6: Final answer
x = 11,536,961.71
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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.