Finding the Fourth Proportional to 19,488,037.70, 29,232,056.55 and 18,442,943.30
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Solution
The fourth proportional to 19,488,037.70, 29,232,056.55 and 18,442,943.30 is: 27,664,414.95
Step by Step Solution
- Step 1: Write the proportion equation
19,488,037.70 : 29,232,056.55 = 18,442,943.30 : x - Step 2: Convert to fraction form
19,488,037.70/29,232,056.55 = 18,442,943.30/x - Step 3: Cross multiply
19,488,037.70x = 29,232,056.55 × 18,442,943.30 - Step 4: Simplify right side
19,488,037.70x = 539,125,161,494,043.62 - Step 5: Solve for x
x = 539,125,161,494,043.62/19,488,037.70 - Step 6: Final answer
x = 27,664,414.95
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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.