Finding the Fourth Proportional to 19,539,859.92, 26,968,235.16 and 10,840,834.08
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Solution
The fourth proportional to 19,539,859.92, 26,968,235.16 and 10,840,834.08 is: 14,962,142.21
Step by Step Solution
- Step 1: Write the proportion equation
19,539,859.92 : 26,968,235.16 = 10,840,834.08 : x - Step 2: Convert to fraction form
19,539,859.92/26,968,235.16 = 10,840,834.08/x - Step 3: Cross multiply
19,539,859.92x = 26,968,235.16 × 10,840,834.08 - Step 4: Simplify right side
19,539,859.92x = 292,358,162,799,982.25 - Step 5: Solve for x
x = 292,358,162,799,982.25/19,539,859.92 - Step 6: Final answer
x = 14,962,142.21
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.