Finding the Fourth Proportional to 10,867,360.96, 14,996,640.96 and 6,220,991.92
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Solution
The fourth proportional to 10,867,360.96, 14,996,640.96 and 6,220,991.92 is: 8,584,787.29
Step by Step Solution
- Step 1: Write the proportion equation
10,867,360.96 : 14,996,640.96 = 6,220,991.92 : x - Step 2: Convert to fraction form
10,867,360.96/14,996,640.96 = 6,220,991.92/x - Step 3: Cross multiply
10,867,360.96x = 14,996,640.96 × 6,220,991.92 - Step 4: Simplify right side
10,867,360.96x = 93,293,982,239,301.05 - Step 5: Solve for x
x = 93,293,982,239,301.05/10,867,360.96 - Step 6: Final answer
x = 8,584,787.29
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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.