Finding the Fourth Proportional to 17,996,378.86, 26,989,406.97 and 5,866,901.02
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Solution
The fourth proportional to 17,996,378.86, 26,989,406.97 and 5,866,901.02 is: 8,798,668.92
Step by Step Solution
- Step 1: Write the proportion equation
17,996,378.86 : 26,989,406.97 = 5,866,901.02 : x - Step 2: Convert to fraction form
17,996,378.86/26,989,406.97 = 5,866,901.02/x - Step 3: Cross multiply
17,996,378.86x = 26,989,406.97 × 5,866,901.02 - Step 4: Simplify right side
17,996,378.86x = 158,344,179,281,488.09 - Step 5: Solve for x
x = 158,344,179,281,488.09/17,996,378.86 - Step 6: Final answer
x = 8,798,668.92
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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.