Finding the Fourth Proportional to 38,387,176.62, 57,580,765.16 and 12,828,186.03
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Solution
The fourth proportional to 38,387,176.62, 57,580,765.16 and 12,828,186.03 is: 19,242,279.12
Step by Step Solution
- Step 1: Write the proportion equation
38,387,176.62 : 57,580,765.16 = 12,828,186.03 : x - Step 2: Convert to fraction form
38,387,176.62/57,580,765.16 = 12,828,186.03/x - Step 3: Cross multiply
38,387,176.62x = 57,580,765.16 × 12,828,186.03 - Step 4: Simplify right side
38,387,176.62x = 738,656,767,158,081.75 - Step 5: Solve for x
x = 738,656,767,158,081.75/38,387,176.62 - Step 6: Final answer
x = 19,242,279.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.