Finding the Fourth Proportional to 9,072,564.90, 13,608,847.35 and 8,232,756.90
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Solution
The fourth proportional to 9,072,564.90, 13,608,847.35 and 8,232,756.90 is: 12,349,135.35
Step by Step Solution
- Step 1: Write the proportion equation
9,072,564.90 : 13,608,847.35 = 8,232,756.90 : x - Step 2: Convert to fraction form
9,072,564.90/13,608,847.35 = 8,232,756.90/x - Step 3: Cross multiply
9,072,564.90x = 13,608,847.35 × 8,232,756.90 - Step 4: Simplify right side
9,072,564.90x = 112,038,331,921,759.22 - Step 5: Solve for x
x = 112,038,331,921,759.22/9,072,564.90 - Step 6: Final answer
x = 12,349,135.35
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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.