Finding the Fourth Proportional to 19,964,624.15, 29,943,939.09 and 6,315,997.09
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Solution
The fourth proportional to 19,964,624.15, 29,943,939.09 and 6,315,997.09 is: 9,473,047.47
Step by Step Solution
- Step 1: Write the proportion equation
19,964,624.15 : 29,943,939.09 = 6,315,997.09 : x - Step 2: Convert to fraction form
19,964,624.15/29,943,939.09 = 6,315,997.09/x - Step 3: Cross multiply
19,964,624.15x = 29,943,939.09 × 6,315,997.09 - Step 4: Simplify right side
19,964,624.15x = 189,125,832,210,399.91 - Step 5: Solve for x
x = 189,125,832,210,399.91/19,964,624.15 - Step 6: Final answer
x = 9,473,047.47
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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.