Finding the Fourth Proportional to 42,141,286.05, 63,211,953.51 and 11,849,149.05
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Solution
The fourth proportional to 42,141,286.05, 63,211,953.51 and 11,849,149.05 is: 17,773,730.45
Step by Step Solution
- Step 1: Write the proportion equation
42,141,286.05 : 63,211,953.51 = 11,849,149.05 : x - Step 2: Convert to fraction form
42,141,286.05/63,211,953.51 = 11,849,149.05/x - Step 3: Cross multiply
42,141,286.05x = 63,211,953.51 × 11,849,149.05 - Step 4: Simplify right side
42,141,286.05x = 749,007,858,881,660.75 - Step 5: Solve for x
x = 749,007,858,881,660.75/42,141,286.05 - Step 6: Final answer
x = 17,773,730.45
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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.