Finding the Fourth Proportional to 22,912,195.84, 31,617,747.84 and 12,599,353.60
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Solution
The fourth proportional to 22,912,195.84, 31,617,747.84 and 12,599,353.60 is: 17,386,512.75
Step by Step Solution
- Step 1: Write the proportion equation
22,912,195.84 : 31,617,747.84 = 12,599,353.60 : x - Step 2: Convert to fraction form
22,912,195.84/31,617,747.84 = 12,599,353.60/x - Step 3: Cross multiply
22,912,195.84x = 31,617,747.84 × 12,599,353.60 - Step 4: Simplify right side
22,912,195.84x = 398,363,185,071,796.19 - Step 5: Solve for x
x = 398,363,185,071,796.19/22,912,195.84 - Step 6: Final answer
x = 17,386,512.75
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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.