Finding the Fourth Proportional to 26,606,943.40, 39,920,912.70 and 10,430,141.80
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Solution
The fourth proportional to 26,606,943.40, 39,920,912.70 and 10,430,141.80 is: 15,649,327.85
Step by Step Solution
- Step 1: Write the proportion equation
26,606,943.40 : 39,920,912.70 = 10,430,141.80 : x - Step 2: Convert to fraction form
26,606,943.40/39,920,912.70 = 10,430,141.80/x - Step 3: Cross multiply
26,606,943.40x = 39,920,912.70 × 10,430,141.80 - Step 4: Simplify right side
26,606,943.40x = 416,380,780,246,420.94 - Step 5: Solve for x
x = 416,380,780,246,420.94/26,606,943.40 - Step 6: Final answer
x = 15,649,327.85
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.