Finding the Fourth Proportional to 12,298,139.93, 18,458,404.22 and 6,545,702.99
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Solution
The fourth proportional to 12,298,139.93, 18,458,404.22 and 6,545,702.99 is: 9,824,512.68
Step by Step Solution
- Step 1: Write the proportion equation
12,298,139.93 : 18,458,404.22 = 6,545,702.99 : x - Step 2: Convert to fraction form
12,298,139.93/18,458,404.22 = 6,545,702.99/x - Step 3: Cross multiply
12,298,139.93x = 18,458,404.22 × 6,545,702.99 - Step 4: Simplify right side
12,298,139.93x = 120,823,231,617,554.86 - Step 5: Solve for x
x = 120,823,231,617,554.86/12,298,139.93 - Step 6: Final answer
x = 9,824,512.68
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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.