Finding the Fourth Proportional to 11,935,644.30, 16,470,966.06 and 6,637,664.14
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Solution
The fourth proportional to 11,935,644.30, 16,470,966.06 and 6,637,664.14 is: 9,159,852.45
Step by Step Solution
- Step 1: Write the proportion equation
11,935,644.30 : 16,470,966.06 = 6,637,664.14 : x - Step 2: Convert to fraction form
11,935,644.30/16,470,966.06 = 6,637,664.14/x - Step 3: Cross multiply
11,935,644.30x = 16,470,966.06 × 6,637,664.14 - Step 4: Simplify right side
11,935,644.30x = 109,328,740,726,441.69 - Step 5: Solve for x
x = 109,328,740,726,441.69/11,935,644.30 - Step 6: Final answer
x = 9,159,852.45
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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.