Finding the Fourth Proportional to 18,079,911.63, 24,950,461.32 and 9,820,053.68
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Solution
The fourth proportional to 18,079,911.63, 24,950,461.32 and 9,820,053.68 is: 13,551,773.61
Step by Step Solution
- Step 1: Write the proportion equation
18,079,911.63 : 24,950,461.32 = 9,820,053.68 : x - Step 2: Convert to fraction form
18,079,911.63/24,950,461.32 = 9,820,053.68/x - Step 3: Cross multiply
18,079,911.63x = 24,950,461.32 × 9,820,053.68 - Step 4: Simplify right side
18,079,911.63x = 245,014,869,378,411.38 - Step 5: Solve for x
x = 245,014,869,378,411.38/18,079,911.63 - Step 6: Final answer
x = 13,551,773.61
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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.