Finding the Fourth Proportional to 48,497,562.90, 72,746,344.35 and 19,728,890.10
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Solution
The fourth proportional to 48,497,562.90, 72,746,344.35 and 19,728,890.10 is: 29,593,335.15
Step by Step Solution
- Step 1: Write the proportion equation
48,497,562.90 : 72,746,344.35 = 19,728,890.10 : x - Step 2: Convert to fraction form
48,497,562.90/72,746,344.35 = 19,728,890.10/x - Step 3: Cross multiply
48,497,562.90x = 72,746,344.35 × 19,728,890.10 - Step 4: Simplify right side
48,497,562.90x = 1,435,204,632,857,906 - Step 5: Solve for x
x = 1,435,204,632,857,906/48,497,562.90 - Step 6: Final answer
x = 29,593,335.15
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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.