Finding the Fourth Proportional to 56,438,658.56, 84,648,918.72 and 15,488,531.84
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Solution
The fourth proportional to 56,438,658.56, 84,648,918.72 and 15,488,531.84 is: 23,230,308.91
Step by Step Solution
- Step 1: Write the proportion equation
56,438,658.56 : 84,648,918.72 = 15,488,531.84 : x - Step 2: Convert to fraction form
56,438,658.56/84,648,918.72 = 15,488,531.84/x - Step 3: Cross multiply
56,438,658.56x = 84,648,918.72 × 15,488,531.84 - Step 4: Simplify right side
56,438,658.56x = 1,311,087,472,816,292 - Step 5: Solve for x
x = 1,311,087,472,816,292/56,438,658.56 - Step 6: Final answer
x = 23,230,308.91
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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.