Finding the Fourth Proportional to 16,817,605.92, 25,134,251.13 and 12,278,214
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Solution
The fourth proportional to 16,817,605.92, 25,134,251.13 and 12,278,214 is: 18,350,038.38
Step by Step Solution
- Step 1: Write the proportion equation
16,817,605.92 : 25,134,251.13 = 12,278,214 : x - Step 2: Convert to fraction form
16,817,605.92/25,134,251.13 = 12,278,214/x - Step 3: Cross multiply
16,817,605.92x = 25,134,251.13 × 12,278,214 - Step 4: Simplify right side
16,817,605.92x = 308,603,714,103,881.81 - Step 5: Solve for x
x = 308,603,714,103,881.81/16,817,605.92 - Step 6: Final answer
x = 18,350,038.38
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.