Finding the Fourth Proportional to 34,653,165.36, 47,821,932.09 and 18,971,925.18
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Solution
The fourth proportional to 34,653,165.36, 47,821,932.09 and 18,971,925.18 is: 26,181,565.47
Step by Step Solution
- Step 1: Write the proportion equation
34,653,165.36 : 47,821,932.09 = 18,971,925.18 : x - Step 2: Convert to fraction form
34,653,165.36/47,821,932.09 = 18,971,925.18/x - Step 3: Cross multiply
34,653,165.36x = 47,821,932.09 × 18,971,925.18 - Step 4: Simplify right side
34,653,165.36x = 907,274,117,574,521.12 - Step 5: Solve for x
x = 907,274,117,574,521.12/34,653,165.36 - Step 6: Final answer
x = 26,181,565.47
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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.