Finding the Fourth Proportional to 26,306,424.90, 39,470,672.79 and 11,723,297.94
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Solution
The fourth proportional to 26,306,424.90, 39,470,672.79 and 11,723,297.94 is: 17,589,864.79
Step by Step Solution
- Step 1: Write the proportion equation
26,306,424.90 : 39,470,672.79 = 11,723,297.94 : x - Step 2: Convert to fraction form
26,306,424.90/39,470,672.79 = 11,723,297.94/x - Step 3: Cross multiply
26,306,424.90x = 39,470,672.79 × 11,723,297.94 - Step 4: Simplify right side
26,306,424.90x = 462,726,457,009,421 - Step 5: Solve for x
x = 462,726,457,009,421/26,306,424.90 - Step 6: Final answer
x = 17,589,864.79
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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.