Finding the Fourth Proportional to 13,944,503.21, 19,237,445.21 and 8,708,421.09
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Solution
The fourth proportional to 13,944,503.21, 19,237,445.21 and 8,708,421.09 is: 12,013,893.28
Step by Step Solution
- Step 1: Write the proportion equation
13,944,503.21 : 19,237,445.21 = 8,708,421.09 : x - Step 2: Convert to fraction form
13,944,503.21/19,237,445.21 = 8,708,421.09/x - Step 3: Cross multiply
13,944,503.21x = 19,237,445.21 × 8,708,421.09 - Step 4: Simplify right side
13,944,503.21x = 167,527,773,444,754.16 - Step 5: Solve for x
x = 167,527,773,444,754.16/13,944,503.21 - Step 6: Final answer
x = 12,013,893.28
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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.