Finding the Fourth Proportional to 22,534,163.06, 31,098,815.33 and 12,612,038.09
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Solution
The fourth proportional to 22,534,163.06, 31,098,815.33 and 12,612,038.09 is: 17,405,547.40
Step by Step Solution
- Step 1: Write the proportion equation
22,534,163.06 : 31,098,815.33 = 12,612,038.09 : x - Step 2: Convert to fraction form
22,534,163.06/31,098,815.33 = 12,612,038.09/x - Step 3: Cross multiply
22,534,163.06x = 31,098,815.33 × 12,612,038.09 - Step 4: Simplify right side
22,534,163.06x = 392,219,443,277,281.69 - Step 5: Solve for x
x = 392,219,443,277,281.69/22,534,163.06 - Step 6: Final answer
x = 17,405,547.40
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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.