Finding the Fourth Proportional to 12,442,021, 18,663,031.74 and 2,986,405
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Solution
The fourth proportional to 12,442,021, 18,663,031.74 and 2,986,405 is: 4,479,607.56
Step by Step Solution
- Step 1: Write the proportion equation
12,442,021 : 18,663,031.74 = 2,986,405 : x - Step 2: Convert to fraction form
12,442,021/18,663,031.74 = 2,986,405/x - Step 3: Cross multiply
12,442,021x = 18,663,031.74 × 2,986,405 - Step 4: Simplify right side
12,442,021x = 55,735,371,303,494.70 - Step 5: Solve for x
x = 55,735,371,303,494.70/12,442,021 - Step 6: Final answer
x = 4,479,607.56
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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.