Finding the Fourth Proportional to 11,432,415.16, 15,776,324.74 and 6,470,750.04
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Solution
The fourth proportional to 11,432,415.16, 15,776,324.74 and 6,470,750.04 is: 8,929,404.02
Step by Step Solution
- Step 1: Write the proportion equation
11,432,415.16 : 15,776,324.74 = 6,470,750.04 : x - Step 2: Convert to fraction form
11,432,415.16/15,776,324.74 = 6,470,750.04/x - Step 3: Cross multiply
11,432,415.16x = 15,776,324.74 × 6,470,750.04 - Step 4: Simplify right side
11,432,415.16x = 102,084,653,942,407.98 - Step 5: Solve for x
x = 102,084,653,942,407.98/11,432,415.16 - Step 6: Final answer
x = 8,929,404.02
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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.