Finding the Fourth Proportional to 14,990,775.14, 20,687,276.40 and 8,115,257
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Solution
The fourth proportional to 14,990,775.14, 20,687,276.40 and 8,115,257 is: 11,199,058.29
Step by Step Solution
- Step 1: Write the proportion equation
14,990,775.14 : 20,687,276.40 = 8,115,257 : x - Step 2: Convert to fraction form
14,990,775.14/20,687,276.40 = 8,115,257/x - Step 3: Cross multiply
14,990,775.14x = 20,687,276.40 × 8,115,257 - Step 4: Simplify right side
14,990,775.14x = 167,882,564,616,034.78 - Step 5: Solve for x
x = 167,882,564,616,034.78/14,990,775.14 - Step 6: Final answer
x = 11,199,058.29
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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.