Finding the Fourth Proportional to 13,732,074.86, 18,950,503.64 and 7,537,701.11
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Solution
The fourth proportional to 13,732,074.86, 18,950,503.64 and 7,537,701.11 is: 10,402,159.45
Step by Step Solution
- Step 1: Write the proportion equation
13,732,074.86 : 18,950,503.64 = 7,537,701.11 : x - Step 2: Convert to fraction form
13,732,074.86/18,950,503.64 = 7,537,701.11/x - Step 3: Cross multiply
13,732,074.86x = 18,950,503.64 × 7,537,701.11 - Step 4: Simplify right side
13,732,074.86x = 142,843,232,189,846.03 - Step 5: Solve for x
x = 142,843,232,189,846.03/13,732,074.86 - Step 6: Final answer
x = 10,402,159.45
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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.