Finding the Fourth Proportional to 14,781,393.82, 22,035,457.70 and 14,548,445.50
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Solution
The fourth proportional to 14,781,393.82, 22,035,457.70 and 14,548,445.50 is: 21,688,188.50
Step by Step Solution
- Step 1: Write the proportion equation
14,781,393.82 : 22,035,457.70 = 14,548,445.50 : x - Step 2: Convert to fraction form
14,781,393.82/22,035,457.70 = 14,548,445.50/x - Step 3: Cross multiply
14,781,393.82x = 22,035,457.70 × 14,548,445.50 - Step 4: Simplify right side
14,781,393.82x = 320,581,655,416,005.31 - Step 5: Solve for x
x = 320,581,655,416,005.31/14,781,393.82 - Step 6: Final answer
x = 21,688,188.50
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.