Finding the Fourth Proportional to 22,791,014.97, 31,450,406.27 and 12,475,762.17
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Solution
The fourth proportional to 22,791,014.97, 31,450,406.27 and 12,475,762.17 is: 17,215,897.99
Step by Step Solution
- Step 1: Write the proportion equation
22,791,014.97 : 31,450,406.27 = 12,475,762.17 : x - Step 2: Convert to fraction form
22,791,014.97/31,450,406.27 = 12,475,762.17/x - Step 3: Cross multiply
22,791,014.97x = 31,450,406.27 × 12,475,762.17 - Step 4: Simplify right side
22,791,014.97x = 392,367,788,712,018 - Step 5: Solve for x
x = 392,367,788,712,018/22,791,014.97 - Step 6: Final answer
x = 17,215,897.99
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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.