Finding the Fourth Proportional to 19,804,838.80, 29,671,828.80 and 16,757,910.40
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Solution
The fourth proportional to 19,804,838.80, 29,671,828.80 and 16,757,910.40 is: 25,106,886.93
Step by Step Solution
- Step 1: Write the proportion equation
19,804,838.80 : 29,671,828.80 = 16,757,910.40 : x - Step 2: Convert to fraction form
19,804,838.80/29,671,828.80 = 16,757,910.40/x - Step 3: Cross multiply
19,804,838.80x = 29,671,828.80 × 16,757,910.40 - Step 4: Simplify right side
19,804,838.80x = 497,237,848,434,539.56 - Step 5: Solve for x
x = 497,237,848,434,539.56/19,804,838.80 - Step 6: Final answer
x = 25,106,886.93
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.