Finding the Fourth Proportional to 22,671,236.00, 31,285,125.11 and 12,880,321.31
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Solution
The fourth proportional to 22,671,236.00, 31,285,125.11 and 12,880,321.31 is: 17,774,172.69
Step by Step Solution
- Step 1: Write the proportion equation
22,671,236.00 : 31,285,125.11 = 12,880,321.31 : x - Step 2: Convert to fraction form
22,671,236.00/31,285,125.11 = 12,880,321.31/x - Step 3: Cross multiply
22,671,236.00x = 31,285,125.11 × 12,880,321.31 - Step 4: Simplify right side
22,671,236.00x = 402,962,463,750,762.75 - Step 5: Solve for x
x = 402,962,463,750,762.75/22,671,236.00 - Step 6: Final answer
x = 17,774,172.69
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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.