Finding the Fourth Proportional to 38,860,494, 53,627,740.99 and 21,219,519.05
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Solution
The fourth proportional to 38,860,494, 53,627,740.99 and 21,219,519.05 is: 29,283,077.86
Step by Step Solution
- Step 1: Write the proportion equation
38,860,494 : 53,627,740.99 = 21,219,519.05 : x - Step 2: Convert to fraction form
38,860,494/53,627,740.99 = 21,219,519.05/x - Step 3: Cross multiply
38,860,494x = 53,627,740.99 × 21,219,519.05 - Step 4: Simplify right side
38,860,494x = 1,137,954,871,439,673.25 - Step 5: Solve for x
x = 1,137,954,871,439,673.25/38,860,494 - Step 6: Final answer
x = 29,283,077.86
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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.