Finding the Fourth Proportional to 18,679,206.70, 28,018,810.05 and 6,562,351.90
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Solution
The fourth proportional to 18,679,206.70, 28,018,810.05 and 6,562,351.90 is: 9,843,527.85
Step by Step Solution
- Step 1: Write the proportion equation
18,679,206.70 : 28,018,810.05 = 6,562,351.90 : x - Step 2: Convert to fraction form
18,679,206.70/28,018,810.05 = 6,562,351.90/x - Step 3: Cross multiply
18,679,206.70x = 28,018,810.05 × 6,562,351.90 - Step 4: Simplify right side
18,679,206.70x = 183,869,291,367,356.62 - Step 5: Solve for x
x = 183,869,291,367,356.62/18,679,206.70 - Step 6: Final answer
x = 9,843,527.85
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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.