Finding the Fourth Proportional to 10,904,933.80, 16,357,400.70 and 6,653,405.80
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Solution
The fourth proportional to 10,904,933.80, 16,357,400.70 and 6,653,405.80 is: 9,980,108.70
Step by Step Solution
- Step 1: Write the proportion equation
10,904,933.80 : 16,357,400.70 = 6,653,405.80 : x - Step 2: Convert to fraction form
10,904,933.80/16,357,400.70 = 6,653,405.80/x - Step 3: Cross multiply
10,904,933.80x = 16,357,400.70 × 6,653,405.80 - Step 4: Simplify right side
10,904,933.80x = 108,832,424,690,304.05 - Step 5: Solve for x
x = 108,832,424,690,304.05/10,904,933.80 - Step 6: Final answer
x = 9,980,108.70
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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.