Finding the Fourth Proportional to 16,488,577.80, 24,732,866.70 and 12,183,905.70
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Solution
The fourth proportional to 16,488,577.80, 24,732,866.70 and 12,183,905.70 is: 18,275,858.55
Step by Step Solution
- Step 1: Write the proportion equation
16,488,577.80 : 24,732,866.70 = 12,183,905.70 : x - Step 2: Convert to fraction form
16,488,577.80/24,732,866.70 = 12,183,905.70/x - Step 3: Cross multiply
16,488,577.80x = 24,732,866.70 × 12,183,905.70 - Step 4: Simplify right side
16,488,577.80x = 301,342,915,563,470.19 - Step 5: Solve for x
x = 301,342,915,563,470.19/16,488,577.80 - Step 6: Final answer
x = 18,275,858.55
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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.