Finding the Fourth Proportional to 26,005,715.18, 39,014,163.18 and 7,561,980.70
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Solution
The fourth proportional to 26,005,715.18, 39,014,163.18 and 7,561,980.70 is: 11,344,596.63
Step by Step Solution
- Step 1: Write the proportion equation
26,005,715.18 : 39,014,163.18 = 7,561,980.70 : x - Step 2: Convert to fraction form
26,005,715.18/39,014,163.18 = 7,561,980.70/x - Step 3: Cross multiply
26,005,715.18x = 39,014,163.18 × 7,561,980.70 - Step 4: Simplify right side
26,005,715.18x = 295,024,348,896,275.19 - Step 5: Solve for x
x = 295,024,348,896,275.19/26,005,715.18 - Step 6: Final answer
x = 11,344,596.63
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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.