Finding the Fourth Proportional to 9,990,987.84, 14,986,482.40 and 2,417,954.88
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Solution
The fourth proportional to 9,990,987.84, 14,986,482.40 and 2,417,954.88 is: 3,626,932.47
Step by Step Solution
- Step 1: Write the proportion equation
9,990,987.84 : 14,986,482.40 = 2,417,954.88 : x - Step 2: Convert to fraction form
9,990,987.84/14,986,482.40 = 2,417,954.88/x - Step 3: Cross multiply
9,990,987.84x = 14,986,482.40 × 2,417,954.88 - Step 4: Simplify right side
9,990,987.84x = 36,236,638,253,114.11 - Step 5: Solve for x
x = 36,236,638,253,114.11/9,990,987.84 - Step 6: Final answer
x = 3,626,932.47
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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.