Finding the Fourth Proportional to 11,247,646.63, 15,517,358.10 and 6,537,259.50
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Solution
The fourth proportional to 11,247,646.63, 15,517,358.10 and 6,537,259.50 is: 9,018,864.12
Step by Step Solution
- Step 1: Write the proportion equation
11,247,646.63 : 15,517,358.10 = 6,537,259.50 : x - Step 2: Convert to fraction form
11,247,646.63/15,517,358.10 = 6,537,259.50/x - Step 3: Cross multiply
11,247,646.63x = 15,517,358.10 × 6,537,259.50 - Step 4: Simplify right side
11,247,646.63x = 101,440,996,654,126.95 - Step 5: Solve for x
x = 101,440,996,654,126.95/11,247,646.63 - Step 6: Final answer
x = 9,018,864.12
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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.