Finding the Fourth Proportional to 51,539,862.68, 71,124,372.76 and 28,334,786.66
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Solution
The fourth proportional to 51,539,862.68, 71,124,372.76 and 28,334,786.66 is: 39,101,654.98
Step by Step Solution
- Step 1: Write the proportion equation
51,539,862.68 : 71,124,372.76 = 28,334,786.66 : x - Step 2: Convert to fraction form
51,539,862.68/71,124,372.76 = 28,334,786.66/x - Step 3: Cross multiply
51,539,862.68x = 71,124,372.76 × 28,334,786.66 - Step 4: Simplify right side
51,539,862.68x = 2,015,293,928,293,815 - Step 5: Solve for x
x = 2,015,293,928,293,815/51,539,862.68 - Step 6: Final answer
x = 39,101,654.98
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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.