Finding the Fourth Proportional to 22,912,163.84, 31,617,703.68 and 12,599,321.60
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Solution
The fourth proportional to 22,912,163.84, 31,617,703.68 and 12,599,321.60 is: 17,386,468.59
Step by Step Solution
- Step 1: Write the proportion equation
22,912,163.84 : 31,617,703.68 = 12,599,321.60 : x - Step 2: Convert to fraction form
22,912,163.84/31,617,703.68 = 12,599,321.60/x - Step 3: Cross multiply
22,912,163.84x = 31,617,703.68 × 12,599,321.60 - Step 4: Simplify right side
22,912,163.84x = 398,361,616,917,823.50 - Step 5: Solve for x
x = 398,361,616,917,823.50/22,912,163.84 - Step 6: Final answer
x = 17,386,468.59
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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.