Finding the Fourth Proportional to 11,699,541.86, 16,145,312.65 and 6,542,923.91
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Solution
The fourth proportional to 11,699,541.86, 16,145,312.65 and 6,542,923.91 is: 9,029,204.17
Step by Step Solution
- Step 1: Write the proportion equation
11,699,541.86 : 16,145,312.65 = 6,542,923.91 : x - Step 2: Convert to fraction form
11,699,541.86/16,145,312.65 = 6,542,923.91/x - Step 3: Cross multiply
11,699,541.86x = 16,145,312.65 × 6,542,923.91 - Step 4: Simplify right side
11,699,541.86x = 105,637,552,075,026.59 - Step 5: Solve for x
x = 105,637,552,075,026.59/11,699,541.86 - Step 6: Final answer
x = 9,029,204.17
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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.