Finding the Fourth Proportional to 18,128,301.06, 27,193,355.10 and 5,176,372.80
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Solution
The fourth proportional to 18,128,301.06, 27,193,355.10 and 5,176,372.80 is: 7,764,817.19
Step by Step Solution
- Step 1: Write the proportion equation
18,128,301.06 : 27,193,355.10 = 5,176,372.80 : x - Step 2: Convert to fraction form
18,128,301.06/27,193,355.10 = 5,176,372.80/x - Step 3: Cross multiply
18,128,301.06x = 27,193,355.10 × 5,176,372.80 - Step 4: Simplify right side
18,128,301.06x = 140,762,943,680,381.28 - Step 5: Solve for x
x = 140,762,943,680,381.28/18,128,301.06 - Step 6: Final answer
x = 7,764,817.19
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.