Finding the Fourth Proportional to 30,176,139.68, 45,270,959.84 and 11,006,896.92
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Solution
The fourth proportional to 30,176,139.68, 45,270,959.84 and 11,006,896.92 is: 16,512,807.59
Step by Step Solution
- Step 1: Write the proportion equation
30,176,139.68 : 45,270,959.84 = 11,006,896.92 : x - Step 2: Convert to fraction form
30,176,139.68/45,270,959.84 = 11,006,896.92/x - Step 3: Cross multiply
30,176,139.68x = 45,270,959.84 × 11,006,896.92 - Step 4: Simplify right side
30,176,139.68x = 498,292,788,428,339.75 - Step 5: Solve for x
x = 498,292,788,428,339.75/30,176,139.68 - Step 6: Final answer
x = 16,512,807.59
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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.