Finding the Fourth Proportional to 38,467,347.09, 53,084,950.41 and 20,826,246.12
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Solution
The fourth proportional to 38,467,347.09, 53,084,950.41 and 20,826,246.12 is: 28,740,225.83
Step by Step Solution
- Step 1: Write the proportion equation
38,467,347.09 : 53,084,950.41 = 20,826,246.12 : x - Step 2: Convert to fraction form
38,467,347.09/53,084,950.41 = 20,826,246.12/x - Step 3: Cross multiply
38,467,347.09x = 53,084,950.41 × 20,826,246.12 - Step 4: Simplify right side
38,467,347.09x = 1,105,560,242,506,654.88 - Step 5: Solve for x
x = 1,105,560,242,506,654.88/38,467,347.09 - Step 6: Final answer
x = 28,740,225.83
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1.5x scale
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.