Finding the Fourth Proportional to 19,441,972.93, 26,830,737.81 and 11,182,037.52
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Solution
The fourth proportional to 19,441,972.93, 26,830,737.81 and 11,182,037.52 is: 15,431,680.62
Step by Step Solution
- Step 1: Write the proportion equation
19,441,972.93 : 26,830,737.81 = 11,182,037.52 : x - Step 2: Convert to fraction form
19,441,972.93/26,830,737.81 = 11,182,037.52/x - Step 3: Cross multiply
19,441,972.93x = 26,830,737.81 × 11,182,037.52 - Step 4: Simplify right side
19,441,972.93x = 300,022,316,880,702.62 - Step 5: Solve for x
x = 300,022,316,880,702.62/19,441,972.93 - Step 6: Final answer
x = 15,431,680.62
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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.