Finding the Fourth Proportional to 19,553,235.49, 27,005,859.44 and 12,877,410.70
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Solution
The fourth proportional to 19,553,235.49, 27,005,859.44 and 12,877,410.70 is: 17,785,575.36
Step by Step Solution
- Step 1: Write the proportion equation
19,553,235.49 : 27,005,859.44 = 12,877,410.70 : x - Step 2: Convert to fraction form
19,553,235.49/27,005,859.44 = 12,877,410.70/x - Step 3: Cross multiply
19,553,235.49x = 27,005,859.44 × 12,877,410.70 - Step 4: Simplify right side
19,553,235.49x = 347,765,543,315,352 - Step 5: Solve for x
x = 347,765,543,315,352/19,553,235.49 - Step 6: Final answer
x = 17,785,575.36
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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.