Finding the Fourth Proportional to 8,289,120.79, 12,375,398.49 and 6,333,615.13
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Solution
The fourth proportional to 8,289,120.79, 12,375,398.49 and 6,333,615.13 is: 9,455,889.60
Step by Step Solution
- Step 1: Write the proportion equation
8,289,120.79 : 12,375,398.49 = 6,333,615.13 : x - Step 2: Convert to fraction form
8,289,120.79/12,375,398.49 = 6,333,615.13/x - Step 3: Cross multiply
8,289,120.79x = 12,375,398.49 × 6,333,615.13 - Step 4: Simplify right side
8,289,120.79x = 78,381,011,084,557.47 - Step 5: Solve for x
x = 78,381,011,084,557.47/8,289,120.79 - Step 6: Final answer
x = 9,455,889.60
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.