Finding the Fourth Proportional to 8,749,709.80, 13,124,564.70 and 6,594,202.60
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Solution
The fourth proportional to 8,749,709.80, 13,124,564.70 and 6,594,202.60 is: 9,891,303.90
Step by Step Solution
- Step 1: Write the proportion equation
8,749,709.80 : 13,124,564.70 = 6,594,202.60 : x - Step 2: Convert to fraction form
8,749,709.80/13,124,564.70 = 6,594,202.60/x - Step 3: Cross multiply
8,749,709.80x = 13,124,564.70 × 6,594,202.60 - Step 4: Simplify right side
8,749,709.80x = 86,546,038,668,608.20 - Step 5: Solve for x
x = 86,546,038,668,608.20/8,749,709.80 - Step 6: Final answer
x = 9,891,303.90
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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.