Finding the Fourth Proportional to 23,355,778.13, 32,230,349.11 and 12,901,569.46
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Solution
The fourth proportional to 23,355,778.13, 32,230,349.11 and 12,901,569.46 is: 17,803,820.78
Step by Step Solution
- Step 1: Write the proportion equation
23,355,778.13 : 32,230,349.11 = 12,901,569.46 : x - Step 2: Convert to fraction form
23,355,778.13/32,230,349.11 = 12,901,569.46/x - Step 3: Cross multiply
23,355,778.13x = 32,230,349.11 × 12,901,569.46 - Step 4: Simplify right side
23,355,778.13x = 415,822,087,879,560.94 - Step 5: Solve for x
x = 415,822,087,879,560.94/23,355,778.13 - Step 6: Final answer
x = 17,803,820.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.