Finding the Fourth Proportional to 36,036,621.43, 49,730,291.11 and 19,516,366.06
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Solution
The fourth proportional to 36,036,621.43, 49,730,291.11 and 19,516,366.06 is: 26,932,451.68
Step by Step Solution
- Step 1: Write the proportion equation
36,036,621.43 : 49,730,291.11 = 19,516,366.06 : x - Step 2: Convert to fraction form
36,036,621.43/49,730,291.11 = 19,516,366.06/x - Step 3: Cross multiply
36,036,621.43x = 49,730,291.11 × 19,516,366.06 - Step 4: Simplify right side
36,036,621.43x = 970,554,565,473,193.50 - Step 5: Solve for x
x = 970,554,565,473,193.50/36,036,621.43 - Step 6: Final answer
x = 26,932,451.68
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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.