Finding the Fourth Proportional to 51,695,494.79, 71,338,554 and 28,174,774.19
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Solution
The fourth proportional to 51,695,494.79, 71,338,554 and 28,174,774.19 is: 38,880,518.66
Step by Step Solution
- Step 1: Write the proportion equation
51,695,494.79 : 71,338,554 = 28,174,774.19 : x - Step 2: Convert to fraction form
51,695,494.79/71,338,554 = 28,174,774.19/x - Step 3: Cross multiply
51,695,494.79x = 71,338,554 × 28,174,774.19 - Step 4: Simplify right side
51,695,494.79x = 2,009,947,649,634,428.50 - Step 5: Solve for x
x = 2,009,947,649,634,428.50/51,695,494.79 - Step 6: Final answer
x = 38,880,518.66
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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.