Finding the Fourth Proportional to 14,313,857.76, 19,745,595.18 and 8,508,510
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Solution
The fourth proportional to 14,313,857.76, 19,745,595.18 and 8,508,510 is: 11,737,268.66
Step by Step Solution
- Step 1: Write the proportion equation
14,313,857.76 : 19,745,595.18 = 8,508,510 : x - Step 2: Convert to fraction form
14,313,857.76/19,745,595.18 = 8,508,510/x - Step 3: Cross multiply
14,313,857.76x = 19,745,595.18 × 8,508,510 - Step 4: Simplify right side
14,313,857.76x = 168,005,594,044,981.81 - Step 5: Solve for x
x = 168,005,594,044,981.81/14,313,857.76 - Step 6: Final answer
x = 11,737,268.66
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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.