Finding the Fourth Proportional to 32,216,681.40, 44,460,484.35 and 18,986,416.70
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Solution
The fourth proportional to 32,216,681.40, 44,460,484.35 and 18,986,416.70 is: 26,202,117.84
Step by Step Solution
- Step 1: Write the proportion equation
32,216,681.40 : 44,460,484.35 = 18,986,416.70 : x - Step 2: Convert to fraction form
32,216,681.40/44,460,484.35 = 18,986,416.70/x - Step 3: Cross multiply
32,216,681.40x = 44,460,484.35 × 18,986,416.70 - Step 4: Simplify right side
32,216,681.40x = 844,145,282,552,928.62 - Step 5: Solve for x
x = 844,145,282,552,928.62/32,216,681.40 - Step 6: Final answer
x = 26,202,117.84
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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.