Finding the Fourth Proportional to 13,374,819.90, 18,462,901.68 and 9,029,791.62
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Solution
The fourth proportional to 13,374,819.90, 18,462,901.68 and 9,029,791.62 is: 12,464,927.09
Step by Step Solution
- Step 1: Write the proportion equation
13,374,819.90 : 18,462,901.68 = 9,029,791.62 : x - Step 2: Convert to fraction form
13,374,819.90/18,462,901.68 = 9,029,791.62/x - Step 3: Cross multiply
13,374,819.90x = 18,462,901.68 × 9,029,791.62 - Step 4: Simplify right side
13,374,819.90x = 166,716,154,870,947.91 - Step 5: Solve for x
x = 166,716,154,870,947.91/13,374,819.90 - Step 6: Final answer
x = 12,464,927.09
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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.