Finding the Fourth Proportional to 19,330,954.66, 28,977,278.84 and 9,077,459.68
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Solution
The fourth proportional to 19,330,954.66, 28,977,278.84 and 9,077,459.68 is: 13,607,195.55
Step by Step Solution
- Step 1: Write the proportion equation
19,330,954.66 : 28,977,278.84 = 9,077,459.68 : x - Step 2: Convert to fraction form
19,330,954.66/28,977,278.84 = 9,077,459.68/x - Step 3: Cross multiply
19,330,954.66x = 28,977,278.84 × 9,077,459.68 - Step 4: Simplify right side
19,330,954.66x = 263,040,080,306,217.16 - Step 5: Solve for x
x = 263,040,080,306,217.16/19,330,954.66 - Step 6: Final answer
x = 13,607,195.55
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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.