Finding the Fourth Proportional to 16,323,615.80, 24,457,430.10 and 7,785,567.80
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Solution
The fourth proportional to 16,323,615.80, 24,457,430.10 and 7,785,567.80 is: 11,665,000.12
Step by Step Solution
- Step 1: Write the proportion equation
16,323,615.80 : 24,457,430.10 = 7,785,567.80 : x - Step 2: Convert to fraction form
16,323,615.80/24,457,430.10 = 7,785,567.80/x - Step 3: Cross multiply
16,323,615.80x = 24,457,430.10 × 7,785,567.80 - Step 4: Simplify right side
16,323,615.80x = 190,414,980,257,310.78 - Step 5: Solve for x
x = 190,414,980,257,310.78/16,323,615.80 - Step 6: Final answer
x = 11,665,000.12
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1.5x scale
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.