Finding the Fourth Proportional to 13,507,397.07, 18,671,623.15 and 12,051,733.12
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Solution
The fourth proportional to 13,507,397.07, 18,671,623.15 and 12,051,733.12 is: 16,659,421.34
Step by Step Solution
- Step 1: Write the proportion equation
13,507,397.07 : 18,671,623.15 = 12,051,733.12 : x - Step 2: Convert to fraction form
13,507,397.07/18,671,623.15 = 12,051,733.12/x - Step 3: Cross multiply
13,507,397.07x = 18,671,623.15 × 12,051,733.12 - Step 4: Simplify right side
13,507,397.07x = 225,025,418,967,396.94 - Step 5: Solve for x
x = 225,025,418,967,396.94/13,507,397.07 - Step 6: Final answer
x = 16,659,421.34
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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.