Finding the Fourth Proportional to 34,043,564.40, 51,102,671.40 and 21,278,482.80
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Solution
The fourth proportional to 34,043,564.40, 51,102,671.40 and 21,278,482.80 is: 31,941,053.58
Step by Step Solution
- Step 1: Write the proportion equation
34,043,564.40 : 51,102,671.40 = 21,278,482.80 : x - Step 2: Convert to fraction form
34,043,564.40/51,102,671.40 = 21,278,482.80/x - Step 3: Cross multiply
34,043,564.40x = 51,102,671.40 × 21,278,482.80 - Step 4: Simplify right side
34,043,564.40x = 1,087,387,314,418,951.88 - Step 5: Solve for x
x = 1,087,387,314,418,951.88/34,043,564.40 - Step 6: Final answer
x = 31,941,053.58
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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.