Finding the Fourth Proportional to 11,432,557.98, 15,776,521.26 and 6,470,892.84
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Solution
The fourth proportional to 11,432,557.98, 15,776,521.26 and 6,470,892.84 is: 8,929,600.76
Step by Step Solution
- Step 1: Write the proportion equation
11,432,557.98 : 15,776,521.26 = 6,470,892.84 : x - Step 2: Convert to fraction form
11,432,557.98/15,776,521.26 = 6,470,892.84/x - Step 3: Cross multiply
11,432,557.98x = 15,776,521.26 × 6,470,892.84 - Step 4: Simplify right side
11,432,557.98x = 102,088,178,461,441.78 - Step 5: Solve for x
x = 102,088,178,461,441.78/11,432,557.98 - Step 6: Final answer
x = 8,929,600.76
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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.