Finding the Fourth Proportional to 17,909,403.94, 26,869,376.57 and 5,778,639.82
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Solution
The fourth proportional to 17,909,403.94, 26,869,376.57 and 5,778,639.82 is: 8,669,660.36
Step by Step Solution
- Step 1: Write the proportion equation
17,909,403.94 : 26,869,376.57 = 5,778,639.82 : x - Step 2: Convert to fraction form
17,909,403.94/26,869,376.57 = 5,778,639.82/x - Step 3: Cross multiply
17,909,403.94x = 26,869,376.57 × 5,778,639.82 - Step 4: Simplify right side
17,909,403.94x = 155,268,449,385,977.03 - Step 5: Solve for x
x = 155,268,449,385,977.03/17,909,403.94 - Step 6: Final answer
x = 8,669,660.36
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.