Finding the Fourth Proportional to 10,285,336.16, 15,428,496.30 and 8,484,881.12
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Solution
The fourth proportional to 10,285,336.16, 15,428,496.30 and 8,484,881.12 is: 12,727,727.60
Step by Step Solution
- Step 1: Write the proportion equation
10,285,336.16 : 15,428,496.30 = 8,484,881.12 : x - Step 2: Convert to fraction form
10,285,336.16/15,428,496.30 = 8,484,881.12/x - Step 3: Cross multiply
10,285,336.16x = 15,428,496.30 × 8,484,881.12 - Step 4: Simplify right side
10,285,336.16x = 130,908,956,965,859.84 - Step 5: Solve for x
x = 130,908,956,965,859.84/10,285,336.16 - Step 6: Final answer
x = 12,727,727.60
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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.