Finding the Fourth Proportional to 9,321,572.84, 13,983,113.82 and 2,589,987.56
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Solution
The fourth proportional to 9,321,572.84, 13,983,113.82 and 2,589,987.56 is: 3,885,190.99
Step by Step Solution
- Step 1: Write the proportion equation
9,321,572.84 : 13,983,113.82 = 2,589,987.56 : x - Step 2: Convert to fraction form
9,321,572.84/13,983,113.82 = 2,589,987.56/x - Step 3: Cross multiply
9,321,572.84x = 13,983,113.82 × 2,589,987.56 - Step 4: Simplify right side
9,321,572.84x = 36,216,090,843,864.08 - Step 5: Solve for x
x = 36,216,090,843,864.08/9,321,572.84 - Step 6: Final answer
x = 3,885,190.99
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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.