Finding the Fourth Proportional to 49,619,862.74, 68,465,376.18 and 28,989,323.12
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Solution
The fourth proportional to 49,619,862.74, 68,465,376.18 and 28,989,323.12 is: 39,999,403.53
Step by Step Solution
- Step 1: Write the proportion equation
49,619,862.74 : 68,465,376.18 = 28,989,323.12 : x - Step 2: Convert to fraction form
49,619,862.74/68,465,376.18 = 28,989,323.12/x - Step 3: Cross multiply
49,619,862.74x = 68,465,376.18 × 28,989,323.12 - Step 4: Simplify right side
49,619,862.74x = 1,984,764,912,785,534.75 - Step 5: Solve for x
x = 1,984,764,912,785,534.75/49,619,862.74 - Step 6: Final answer
x = 39,999,403.53
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.