Finding the Fourth Proportional to 14,216,969.84, 19,599,012.60 and 10,135,502.96
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Solution
The fourth proportional to 14,216,969.84, 19,599,012.60 and 10,135,502.96 is: 13,972,446.48
Step by Step Solution
- Step 1: Write the proportion equation
14,216,969.84 : 19,599,012.60 = 10,135,502.96 : x - Step 2: Convert to fraction form
14,216,969.84/19,599,012.60 = 10,135,502.96/x - Step 3: Cross multiply
14,216,969.84x = 19,599,012.60 × 10,135,502.96 - Step 4: Simplify right side
14,216,969.84x = 198,645,850,220,377.34 - Step 5: Solve for x
x = 198,645,850,220,377.34/14,216,969.84 - Step 6: Final answer
x = 13,972,446.48
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1.5x scale
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.