Finding the Fourth Proportional to 18,953,288.68, 26,155,540.26 and 10,251,461.80
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Solution
The fourth proportional to 18,953,288.68, 26,155,540.26 and 10,251,461.80 is: 14,147,018.30
Step by Step Solution
- Step 1: Write the proportion equation
18,953,288.68 : 26,155,540.26 = 10,251,461.80 : x - Step 2: Convert to fraction form
18,953,288.68/26,155,540.26 = 10,251,461.80/x - Step 3: Cross multiply
18,953,288.68x = 26,155,540.26 × 10,251,461.80 - Step 4: Simplify right side
18,953,288.68x = 268,132,521,833,752.09 - Step 5: Solve for x
x = 268,132,521,833,752.09/18,953,288.68 - Step 6: Final answer
x = 14,147,018.30
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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.