Finding the Fourth Proportional to 16,299,223.20, 24,430,978.80 and 8,199,280.80
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Solution
The fourth proportional to 16,299,223.20, 24,430,978.80 and 8,199,280.80 is: 12,289,938.79
Step by Step Solution
- Step 1: Write the proportion equation
16,299,223.20 : 24,430,978.80 = 8,199,280.80 : x - Step 2: Convert to fraction form
16,299,223.20/24,430,978.80 = 8,199,280.80/x - Step 3: Cross multiply
16,299,223.20x = 24,430,978.80 × 8,199,280.80 - Step 4: Simplify right side
16,299,223.20x = 200,316,455,400,047.03 - Step 5: Solve for x
x = 200,316,455,400,047.03/16,299,223.20 - Step 6: Final answer
x = 12,289,938.79
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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.