Finding the Fourth Proportional to 51,115,561.68, 70,539,193.80 and 27,910,523.46
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Solution
The fourth proportional to 51,115,561.68, 70,539,193.80 and 27,910,523.46 is: 38,516,368.77
Step by Step Solution
- Step 1: Write the proportion equation
51,115,561.68 : 70,539,193.80 = 27,910,523.46 : x - Step 2: Convert to fraction form
51,115,561.68/70,539,193.80 = 27,910,523.46/x - Step 3: Cross multiply
51,115,561.68x = 70,539,193.80 × 27,910,523.46 - Step 4: Simplify right side
51,115,561.68x = 1,968,785,823,404,386.50 - Step 5: Solve for x
x = 1,968,785,823,404,386.50/51,115,561.68 - Step 6: Final answer
x = 38,516,368.77
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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.