Finding the Fourth Proportional to 21,828,070.98, 32,736,521.46 and 6,471,769.80
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Solution
The fourth proportional to 21,828,070.98, 32,736,521.46 and 6,471,769.80 is: 9,705,998.81
Step by Step Solution
- Step 1: Write the proportion equation
21,828,070.98 : 32,736,521.46 = 6,471,769.80 : x - Step 2: Convert to fraction form
21,828,070.98/32,736,521.46 = 6,471,769.80/x - Step 3: Cross multiply
21,828,070.98x = 32,736,521.46 × 6,471,769.80 - Step 4: Simplify right side
21,828,070.98x = 211,863,230,941,879.91 - Step 5: Solve for x
x = 211,863,230,941,879.91/21,828,070.98 - Step 6: Final answer
x = 9,705,998.81
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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.