Finding the Fourth Proportional to 38,387,191.67, 57,580,787.66 and 12,828,201.08
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Solution
The fourth proportional to 38,387,191.67, 57,580,787.66 and 12,828,201.08 is: 19,242,301.67
Step by Step Solution
- Step 1: Write the proportion equation
38,387,191.67 : 57,580,787.66 = 12,828,201.08 : x - Step 2: Convert to fraction form
38,387,191.67/57,580,787.66 = 12,828,201.08/x - Step 3: Cross multiply
38,387,191.67x = 57,580,787.66 × 12,828,201.08 - Step 4: Simplify right side
38,387,191.67x = 738,657,922,095,217.75 - Step 5: Solve for x
x = 738,657,922,095,217.75/38,387,191.67 - Step 6: Final answer
x = 19,242,301.67
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.