Finding the Fourth Proportional to 26,386,014.38, 39,578,461.05 and 7,216,771.46
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Solution
The fourth proportional to 26,386,014.38, 39,578,461.05 and 7,216,771.46 is: 10,825,003.88
Step by Step Solution
- Step 1: Write the proportion equation
26,386,014.38 : 39,578,461.05 = 7,216,771.46 : x - Step 2: Convert to fraction form
26,386,014.38/39,578,461.05 = 7,216,771.46/x - Step 3: Cross multiply
26,386,014.38x = 39,578,461.05 × 7,216,771.46 - Step 4: Simplify right side
26,386,014.38x = 285,628,708,136,361.62 - Step 5: Solve for x
x = 285,628,708,136,361.62/26,386,014.38 - Step 6: Final answer
x = 10,825,003.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.