Finding the Fourth Proportional to 48,385,905.80, 72,578,858.70 and 19,645,809.80
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Solution
The fourth proportional to 48,385,905.80, 72,578,858.70 and 19,645,809.80 is: 29,468,714.70
Step by Step Solution
- Step 1: Write the proportion equation
48,385,905.80 : 72,578,858.70 = 19,645,809.80 : x - Step 2: Convert to fraction form
48,385,905.80/72,578,858.70 = 19,645,809.80/x - Step 3: Cross multiply
48,385,905.80x = 72,578,858.70 × 19,645,809.80 - Step 4: Simplify right side
48,385,905.80x = 1,425,870,453,521,275.25 - Step 5: Solve for x
x = 1,425,870,453,521,275.25/48,385,905.80 - Step 6: Final answer
x = 29,468,714.70
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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.