Finding the Fourth Proportional to 42,513,295.92, 63,780,624.84 and 12,221,214
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Solution
The fourth proportional to 42,513,295.92, 63,780,624.84 and 12,221,214 is: 18,334,891.43
Step by Step Solution
- Step 1: Write the proportion equation
42,513,295.92 : 63,780,624.84 = 12,221,214 : x - Step 2: Convert to fraction form
42,513,295.92/63,780,624.84 = 12,221,214/x - Step 3: Cross multiply
42,513,295.92x = 63,780,624.84 × 12,221,214 - Step 4: Simplify right side
42,513,295.92x = 779,476,665,223,355.75 - Step 5: Solve for x
x = 779,476,665,223,355.75/42,513,295.92 - Step 6: Final answer
x = 18,334,891.43
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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.