Finding the Fourth Proportional to 22,202,639.98, 30,637,952.67 and 13,499,604.70
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Solution
The fourth proportional to 22,202,639.98, 30,637,952.67 and 13,499,604.70 is: 18,628,426.63
Step by Step Solution
- Step 1: Write the proportion equation
22,202,639.98 : 30,637,952.67 = 13,499,604.70 : x - Step 2: Convert to fraction form
22,202,639.98/30,637,952.67 = 13,499,604.70/x - Step 3: Cross multiply
22,202,639.98x = 30,637,952.67 × 13,499,604.70 - Step 4: Simplify right side
22,202,639.98x = 413,600,249,862,309.56 - Step 5: Solve for x
x = 413,600,249,862,309.56/22,202,639.98 - Step 6: Final answer
x = 18,628,426.63
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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.