Finding the Fourth Proportional to 14,704,345.12, 20,292,256.98 and 8,177,977.18
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Solution
The fourth proportional to 14,704,345.12, 20,292,256.98 and 8,177,977.18 is: 11,285,753.50
Step by Step Solution
- Step 1: Write the proportion equation
14,704,345.12 : 20,292,256.98 = 8,177,977.18 : x - Step 2: Convert to fraction form
14,704,345.12/20,292,256.98 = 8,177,977.18/x - Step 3: Cross multiply
14,704,345.12x = 20,292,256.98 × 8,177,977.18 - Step 4: Simplify right side
14,704,345.12x = 165,949,614,370,784.56 - Step 5: Solve for x
x = 165,949,614,370,784.56/14,704,345.12 - Step 6: Final answer
x = 11,285,753.50
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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.