Finding the Fourth Proportional to 38,068,324.84, 52,534,354.98 and 20,664,681.88
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Solution
The fourth proportional to 38,068,324.84, 52,534,354.98 and 20,664,681.88 is: 28,517,297.20
Step by Step Solution
- Step 1: Write the proportion equation
38,068,324.84 : 52,534,354.98 = 20,664,681.88 : x - Step 2: Convert to fraction form
38,068,324.84/52,534,354.98 = 20,664,681.88/x - Step 3: Cross multiply
38,068,324.84x = 52,534,354.98 × 20,664,681.88 - Step 4: Simplify right side
38,068,324.84x = 1,085,605,733,432,693.62 - Step 5: Solve for x
x = 1,085,605,733,432,693.62/38,068,324.84 - Step 6: Final answer
x = 28,517,297.20
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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.