Finding the Fourth Proportional to 8,971,534.80, 13,457,302.20 and 6,562,335.60
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Solution
The fourth proportional to 8,971,534.80, 13,457,302.20 and 6,562,335.60 is: 9,843,503.40
Step by Step Solution
- Step 1: Write the proportion equation
8,971,534.80 : 13,457,302.20 = 6,562,335.60 : x - Step 2: Convert to fraction form
8,971,534.80/13,457,302.20 = 6,562,335.60/x - Step 3: Cross multiply
8,971,534.80x = 13,457,302.20 × 6,562,335.60 - Step 4: Simplify right side
8,971,534.80x = 88,311,333,307,018.31 - Step 5: Solve for x
x = 88,311,333,307,018.31/8,971,534.80 - Step 6: Final answer
x = 9,843,503.40
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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.