Finding the Fourth Proportional to 8,299,655.15, 12,449,471.69 and 2,234,393.53
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Solution
The fourth proportional to 8,299,655.15, 12,449,471.69 and 2,234,393.53 is: 3,351,587.32
Step by Step Solution
- Step 1: Write the proportion equation
8,299,655.15 : 12,449,471.69 = 2,234,393.53 : x - Step 2: Convert to fraction form
8,299,655.15/12,449,471.69 = 2,234,393.53/x - Step 3: Cross multiply
8,299,655.15x = 12,449,471.69 × 2,234,393.53 - Step 4: Simplify right side
8,299,655.15x = 27,817,018,996,054.16 - Step 5: Solve for x
x = 27,817,018,996,054.16/8,299,655.15 - Step 6: Final answer
x = 3,351,587.32
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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.