Finding the Fourth Proportional to 9,989,875.72, 14,983,122.66 and 2,799,754.84
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Solution
The fourth proportional to 9,989,875.72, 14,983,122.66 and 2,799,754.84 is: 4,199,158.36
Step by Step Solution
- Step 1: Write the proportion equation
9,989,875.72 : 14,983,122.66 = 2,799,754.84 : x - Step 2: Convert to fraction form
9,989,875.72/14,983,122.66 = 2,799,754.84/x - Step 3: Cross multiply
9,989,875.72x = 14,983,122.66 × 2,799,754.84 - Step 4: Simplify right side
9,989,875.72x = 41,949,070,185,648.67 - Step 5: Solve for x
x = 41,949,070,185,648.67/9,989,875.72 - Step 6: Final answer
x = 4,199,158.36
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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.