Finding the Fourth Proportional to 7,362,636.08, 10,155,242.58 and 6,380,798.90
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Solution
The fourth proportional to 7,362,636.08, 10,155,242.58 and 6,380,798.90 is: 8,801,000.07
Step by Step Solution
- Step 1: Write the proportion equation
7,362,636.08 : 10,155,242.58 = 6,380,798.90 : x - Step 2: Convert to fraction form
7,362,636.08/10,155,242.58 = 6,380,798.90/x - Step 3: Cross multiply
7,362,636.08x = 10,155,242.58 × 6,380,798.90 - Step 4: Simplify right side
7,362,636.08x = 64,798,560,683,697.16 - Step 5: Solve for x
x = 64,798,560,683,697.16/7,362,636.08 - Step 6: Final answer
x = 8,801,000.07
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.