Finding the Fourth Proportional to 13,394,125.69, 18,483,763.54 and 7,282,554.19
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Solution
The fourth proportional to 13,394,125.69, 18,483,763.54 and 7,282,554.19 is: 10,049,854.15
Step by Step Solution
- Step 1: Write the proportion equation
13,394,125.69 : 18,483,763.54 = 7,282,554.19 : x - Step 2: Convert to fraction form
13,394,125.69/18,483,763.54 = 7,282,554.19/x - Step 3: Cross multiply
13,394,125.69x = 18,483,763.54 × 7,282,554.19 - Step 4: Simplify right side
13,394,125.69x = 134,609,009,615,196.23 - Step 5: Solve for x
x = 134,609,009,615,196.23/13,394,125.69 - Step 6: Final answer
x = 10,049,854.15
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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.