Finding the Fourth Proportional to 12,237,734.28, 18,343,126.62 and 5,045,323.08
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Solution
The fourth proportional to 12,237,734.28, 18,343,126.62 and 5,045,323.08 is: 7,562,429.28
Step by Step Solution
- Step 1: Write the proportion equation
12,237,734.28 : 18,343,126.62 = 5,045,323.08 : x - Step 2: Convert to fraction form
12,237,734.28/18,343,126.62 = 5,045,323.08/x - Step 3: Cross multiply
12,237,734.28x = 18,343,126.62 × 5,045,323.08 - Step 4: Simplify right side
12,237,734.28x = 92,547,000,095,248.39 - Step 5: Solve for x
x = 92,547,000,095,248.39/12,237,734.28 - Step 6: Final answer
x = 7,562,429.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.