Finding the Fourth Proportional to 11,484,990.72, 15,849,995.04 and 6,328,351.44
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Solution
The fourth proportional to 11,484,990.72, 15,849,995.04 and 6,328,351.44 is: 8,733,515.02
Step by Step Solution
- Step 1: Write the proportion equation
11,484,990.72 : 15,849,995.04 = 6,328,351.44 : x - Step 2: Convert to fraction form
11,484,990.72/15,849,995.04 = 6,328,351.44/x - Step 3: Cross multiply
11,484,990.72x = 15,849,995.04 × 6,328,351.44 - Step 4: Simplify right side
11,484,990.72x = 100,304,338,935,376.86 - Step 5: Solve for x
x = 100,304,338,935,376.86/11,484,990.72 - Step 6: Final answer
x = 8,733,515.02
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.