Finding the Fourth Proportional to 19,537,463.76, 26,936,921.88 and 13,962,369.12
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Solution
The fourth proportional to 19,537,463.76, 26,936,921.88 and 13,962,369.12 is: 19,250,361.81
Step by Step Solution
- Step 1: Write the proportion equation
19,537,463.76 : 26,936,921.88 = 13,962,369.12 : x - Step 2: Convert to fraction form
19,537,463.76/26,936,921.88 = 13,962,369.12/x - Step 3: Cross multiply
19,537,463.76x = 26,936,921.88 × 13,962,369.12 - Step 4: Simplify right side
19,537,463.76x = 376,103,246,245,164.31 - Step 5: Solve for x
x = 376,103,246,245,164.31/19,537,463.76 - Step 6: Final answer
x = 19,250,361.81
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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.