Finding the Fourth Proportional to 17,762,932.74, 24,510,238.11 and 9,921,478.98
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Solution
The fourth proportional to 17,762,932.74, 24,510,238.11 and 9,921,478.98 is: 13,690,183.70
Step by Step Solution
- Step 1: Write the proportion equation
17,762,932.74 : 24,510,238.11 = 9,921,478.98 : x - Step 2: Convert to fraction form
17,762,932.74/24,510,238.11 = 9,921,478.98/x - Step 3: Cross multiply
17,762,932.74x = 24,510,238.11 × 9,921,478.98 - Step 4: Simplify right side
17,762,932.74x = 243,177,812,203,159.94 - Step 5: Solve for x
x = 243,177,812,203,159.94/17,762,932.74 - Step 6: Final answer
x = 13,690,183.70
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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.