Finding the Fourth Proportional to 28,471,491.26, 42,714,519.60 and 8,276,733.26
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Solution
The fourth proportional to 28,471,491.26, 42,714,519.60 and 8,276,733.26 is: 12,417,216.99
Step by Step Solution
- Step 1: Write the proportion equation
28,471,491.26 : 42,714,519.60 = 8,276,733.26 : x - Step 2: Convert to fraction form
28,471,491.26/42,714,519.60 = 8,276,733.26/x - Step 3: Cross multiply
28,471,491.26x = 42,714,519.60 × 8,276,733.26 - Step 4: Simplify right side
28,471,491.26x = 353,536,684,844,669.31 - Step 5: Solve for x
x = 353,536,684,844,669.31/28,471,491.26 - Step 6: Final answer
x = 12,417,216.99
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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.