Finding the Fourth Proportional to 26,402,542.70, 39,610,812.45 and 9,361,438.70
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Solution
The fourth proportional to 26,402,542.70, 39,610,812.45 and 9,361,438.70 is: 14,044,639.44
Step by Step Solution
- Step 1: Write the proportion equation
26,402,542.70 : 39,610,812.45 = 9,361,438.70 : x - Step 2: Convert to fraction form
26,402,542.70/39,610,812.45 = 9,361,438.70/x - Step 3: Cross multiply
26,402,542.70x = 39,610,812.45 × 9,361,438.70 - Step 4: Simplify right side
26,402,542.70x = 370,814,192,607,871.81 - Step 5: Solve for x
x = 370,814,192,607,871.81/26,402,542.70 - Step 6: Final answer
x = 14,044,639.44
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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.