Finding the Fourth Proportional to 19,260,029.80, 28,890,044.70 and 6,476,285.80
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Solution
The fourth proportional to 19,260,029.80, 28,890,044.70 and 6,476,285.80 is: 9,714,428.70
Step by Step Solution
- Step 1: Write the proportion equation
19,260,029.80 : 28,890,044.70 = 6,476,285.80 : x - Step 2: Convert to fraction form
19,260,029.80/28,890,044.70 = 6,476,285.80/x - Step 3: Cross multiply
19,260,029.80x = 28,890,044.70 × 6,476,285.80 - Step 4: Simplify right side
19,260,029.80x = 187,100,186,251,975.25 - Step 5: Solve for x
x = 187,100,186,251,975.25/19,260,029.80 - Step 6: Final answer
x = 9,714,428.70
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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.