Finding the Fourth Proportional to 15,169,510.80, 22,757,218.65 and 4,387,163.40
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Solution
The fourth proportional to 15,169,510.80, 22,757,218.65 and 4,387,163.40 is: 6,581,598.98
Step by Step Solution
- Step 1: Write the proportion equation
15,169,510.80 : 22,757,218.65 = 4,387,163.40 : x - Step 2: Convert to fraction form
15,169,510.80/22,757,218.65 = 4,387,163.40/x - Step 3: Cross multiply
15,169,510.80x = 22,757,218.65 × 4,387,163.40 - Step 4: Simplify right side
15,169,510.80x = 99,839,636,747,077.41 - Step 5: Solve for x
x = 99,839,636,747,077.41/15,169,510.80 - Step 6: Final answer
x = 6,581,598.98
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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.